39799040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 105960960

約数和(自身を除く): 66161920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 59, 62, 64, 68, 80, 85, 118, 124, 128, 136, 155, 160, 170, 236, 248, 256, 272, 295, 310, 320, 340, 472, 496, 527, 544, 590, 620, 640, 680, 944, 992, 1003, 1054, 1088, 1180, 1240, 1280, 1360, 1829, 1888, 1984, 2006, 2108, 2176, 2360, 2480, 2635, 2720, 3658, 3776, 3968, 4012, 4216, 4352, 4720, 4960, 5015, 5270, 5440, 7316, 7552, 7936, 8024, 8432, 9145, 9440, 9920, 10030, 10540, 10880, 14632, 15104, 16048, 16864, 18290, 18880, 19840, 20060, 21080, 21760, 29264, 31093, 32096, 33728, 36580, 37760, 39680, 40120, 42160, 58528, 62186, 64192, 67456, 73160, 75520, 80240, 84320, 117056, 124372, 128384, 134912, 146320, 155465, 160480, 168640, 234112, 248744, 256768, 292640, 310930, 320960, 337280, 468224, 497488, 585280, 621860, 641920, 674560, 994976, 1170560, 1243720, 1283840, 1989952, 2341120, 2487440, 3979904, 4974880, 7959808, 9949760, 19899520, 39799040]

約数ペア:

[(1, 39799040), (2, 19899520), (4, 9949760), (5, 7959808), (8, 4974880), (10, 3979904), (16, 2487440), (17, 2341120), (20, 1989952), (31, 1283840), (32, 1243720), (34, 1170560), (40, 994976), (59, 674560), (62, 641920), (64, 621860), (68, 585280), (80, 497488), (85, 468224), (118, 337280), (124, 320960), (128, 310930), (136, 292640), (155, 256768), (160, 248744), (170, 234112), (236, 168640), (248, 160480), (256, 155465), (272, 146320), (295, 134912), (310, 128384), (320, 124372), (340, 117056), (472, 84320), (496, 80240), (527, 75520), (544, 73160), (590, 67456), (620, 64192), (640, 62186), (680, 58528), (944, 42160), (992, 40120), (1003, 39680), (1054, 37760), (1088, 36580), (1180, 33728), (1240, 32096), (1280, 31093), (1360, 29264), (1829, 21760), (1888, 21080), (1984, 20060), (2006, 19840), (2108, 18880), (2176, 18290), (2360, 16864), (2480, 16048), (2635, 15104), (2720, 14632), (3658, 10880), (3776, 10540), (3968, 10030), (4012, 9920), (4216, 9440), (4352, 9145), (4720, 8432), (4960, 8024), (5015, 7936), (5270, 7552), (5440, 7316)]