39907840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 160

約数和(自身を含む): 116671104

約数和(自身を除く): 76763264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 131, 136, 140, 160, 170, 224, 238, 256, 262, 272, 280, 320, 340, 448, 476, 512, 524, 544, 560, 595, 640, 655, 680, 896, 917, 952, 1048, 1088, 1120, 1190, 1280, 1310, 1360, 1792, 1834, 1904, 2096, 2176, 2227, 2240, 2380, 2560, 2620, 2720, 3584, 3668, 3808, 4192, 4352, 4454, 4480, 4585, 4760, 5240, 5440, 7336, 7616, 8384, 8704, 8908, 8960, 9170, 9520, 10480, 10880, 11135, 14672, 15232, 15589, 16768, 17816, 17920, 18340, 19040, 20960, 21760, 22270, 29344, 30464, 31178, 33536, 35632, 36680, 38080, 41920, 43520, 44540, 58688, 60928, 62356, 67072, 71264, 73360, 76160, 77945, 83840, 89080, 117376, 124712, 142528, 146720, 152320, 155890, 167680, 178160, 234752, 249424, 285056, 293440, 304640, 311780, 335360, 356320, 469504, 498848, 570112, 586880, 623560, 712640, 997696, 1140224, 1173760, 1247120, 1425280, 1995392, 2347520, 2494240, 2850560, 3990784, 4988480, 5701120, 7981568, 9976960, 19953920, 39907840]

約数ペア:

[(1, 39907840), (2, 19953920), (4, 9976960), (5, 7981568), (7, 5701120), (8, 4988480), (10, 3990784), (14, 2850560), (16, 2494240), (17, 2347520), (20, 1995392), (28, 1425280), (32, 1247120), (34, 1173760), (35, 1140224), (40, 997696), (56, 712640), (64, 623560), (68, 586880), (70, 570112), (80, 498848), (85, 469504), (112, 356320), (119, 335360), (128, 311780), (131, 304640), (136, 293440), (140, 285056), (160, 249424), (170, 234752), (224, 178160), (238, 167680), (256, 155890), (262, 152320), (272, 146720), (280, 142528), (320, 124712), (340, 117376), (448, 89080), (476, 83840), (512, 77945), (524, 76160), (544, 73360), (560, 71264), (595, 67072), (640, 62356), (655, 60928), (680, 58688), (896, 44540), (917, 43520), (952, 41920), (1048, 38080), (1088, 36680), (1120, 35632), (1190, 33536), (1280, 31178), (1310, 30464), (1360, 29344), (1792, 22270), (1834, 21760), (1904, 20960), (2096, 19040), (2176, 18340), (2227, 17920), (2240, 17816), (2380, 16768), (2560, 15589), (2620, 15232), (2720, 14672), (3584, 11135), (3668, 10880), (3808, 10480), (4192, 9520), (4352, 9170), (4454, 8960), (4480, 8908), (4585, 8704), (4760, 8384), (5240, 7616), (5440, 7336)]