39619840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2415

約数の個数: 72

約数和(自身を含む): 102244968

約数和(自身を除く): 62625128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2381, 3328, 4160, 4762, 8320, 9524, 11905, 16640, 19048, 23810, 30953, 38096, 47620, 61906, 76192, 95240, 123812, 152384, 154765, 190480, 247624, 304768, 309530, 380960, 495248, 609536, 619060, 761920, 990496, 1238120, 1523840, 1980992, 2476240, 3047680, 3961984, 4952480, 7923968, 9904960, 19809920, 39619840]

約数ペア:

[(1, 39619840), (2, 19809920), (4, 9904960), (5, 7923968), (8, 4952480), (10, 3961984), (13, 3047680), (16, 2476240), (20, 1980992), (26, 1523840), (32, 1238120), (40, 990496), (52, 761920), (64, 619060), (65, 609536), (80, 495248), (104, 380960), (128, 309530), (130, 304768), (160, 247624), (208, 190480), (256, 154765), (260, 152384), (320, 123812), (416, 95240), (520, 76192), (640, 61906), (832, 47620), (1040, 38096), (1280, 30953), (1664, 23810), (2080, 19048), (2381, 16640), (3328, 11905), (4160, 9524), (4762, 8320)]