39639040

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 112039200

約数和(自身を除く): 72400160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 256, 280, 316, 320, 392, 395, 448, 490, 512, 553, 560, 632, 640, 784, 790, 896, 980, 1024, 1106, 1120, 1264, 1280, 1568, 1580, 1792, 1960, 2048, 2212, 2240, 2528, 2560, 2765, 3136, 3160, 3584, 3871, 3920, 4424, 4480, 5056, 5120, 5530, 6272, 6320, 7168, 7742, 7840, 8848, 8960, 10112, 10240, 11060, 12544, 12640, 14336, 15484, 15680, 17696, 17920, 19355, 20224, 22120, 25088, 25280, 30968, 31360, 35392, 35840, 38710, 40448, 44240, 50176, 50560, 61936, 62720, 70784, 71680, 77420, 80896, 88480, 100352, 101120, 123872, 125440, 141568, 154840, 161792, 176960, 202240, 247744, 250880, 283136, 309680, 353920, 404480, 495488, 501760, 566272, 619360, 707840, 808960, 990976, 1132544, 1238720, 1415680, 1981952, 2477440, 2831360, 3963904, 4954880, 5662720, 7927808, 9909760, 19819520, 39639040]

約数ペア:

[(1, 39639040), (2, 19819520), (4, 9909760), (5, 7927808), (7, 5662720), (8, 4954880), (10, 3963904), (14, 2831360), (16, 2477440), (20, 1981952), (28, 1415680), (32, 1238720), (35, 1132544), (40, 990976), (49, 808960), (56, 707840), (64, 619360), (70, 566272), (79, 501760), (80, 495488), (98, 404480), (112, 353920), (128, 309680), (140, 283136), (158, 250880), (160, 247744), (196, 202240), (224, 176960), (245, 161792), (256, 154840), (280, 141568), (316, 125440), (320, 123872), (392, 101120), (395, 100352), (448, 88480), (490, 80896), (512, 77420), (553, 71680), (560, 70784), (632, 62720), (640, 61936), (784, 50560), (790, 50176), (896, 44240), (980, 40448), (1024, 38710), (1106, 35840), (1120, 35392), (1264, 31360), (1280, 30968), (1568, 25280), (1580, 25088), (1792, 22120), (1960, 20224), (2048, 19355), (2212, 17920), (2240, 17696), (2528, 15680), (2560, 15484), (2765, 14336), (3136, 12640), (3160, 12544), (3584, 11060), (3871, 10240), (3920, 10112), (4424, 8960), (4480, 8848), (5056, 7840), (5120, 7742), (5530, 7168), (6272, 6320)]