39687680

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 80

約数和(自身を含む): 97962480

約数和(自身を除く): 58274800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 419, 512, 592, 640, 740, 838, 1184, 1280, 1480, 1676, 2095, 2368, 2560, 2960, 3352, 4190, 4736, 5920, 6704, 8380, 9472, 11840, 13408, 15503, 16760, 18944, 23680, 26816, 31006, 33520, 47360, 53632, 62012, 67040, 77515, 94720, 107264, 124024, 134080, 155030, 214528, 248048, 268160, 310060, 496096, 536320, 620120, 992192, 1072640, 1240240, 1984384, 2480480, 3968768, 4960960, 7937536, 9921920, 19843840, 39687680]

約数ペア:

[(1, 39687680), (2, 19843840), (4, 9921920), (5, 7937536), (8, 4960960), (10, 3968768), (16, 2480480), (20, 1984384), (32, 1240240), (37, 1072640), (40, 992192), (64, 620120), (74, 536320), (80, 496096), (128, 310060), (148, 268160), (160, 248048), (185, 214528), (256, 155030), (296, 134080), (320, 124024), (370, 107264), (419, 94720), (512, 77515), (592, 67040), (640, 62012), (740, 53632), (838, 47360), (1184, 33520), (1280, 31006), (1480, 26816), (1676, 23680), (2095, 18944), (2368, 16760), (2560, 15503), (2960, 13408), (3352, 11840), (4190, 9472), (4736, 8380), (5920, 6704)]