9904960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2411

約数の個数: 56

約数和(自身を含む): 25411176

約数和(自身を除く): 15506216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 2381, 4160, 4762, 9524, 11905, 19048, 23810, 30953, 38096, 47620, 61906, 76192, 95240, 123812, 152384, 154765, 190480, 247624, 309530, 380960, 495248, 619060, 761920, 990496, 1238120, 1980992, 2476240, 4952480, 9904960]

約数ペア:

[(1, 9904960), (2, 4952480), (4, 2476240), (5, 1980992), (8, 1238120), (10, 990496), (13, 761920), (16, 619060), (20, 495248), (26, 380960), (32, 309530), (40, 247624), (52, 190480), (64, 154765), (65, 152384), (80, 123812), (104, 95240), (130, 76192), (160, 61906), (208, 47620), (260, 38096), (320, 30953), (416, 23810), (520, 19048), (832, 11905), (1040, 9524), (2080, 4762), (2381, 4160)]