15512080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2815

約数の個数: 40

約数和(自身を含む): 36586944

約数和(自身を除く): 21074864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2731, 2840, 5462, 5680, 10924, 13655, 21848, 27310, 43696, 54620, 109240, 193901, 218480, 387802, 775604, 969505, 1551208, 1939010, 3102416, 3878020, 7756040, 15512080]

約数ペア:

[(1, 15512080), (2, 7756040), (4, 3878020), (5, 3102416), (8, 1939010), (10, 1551208), (16, 969505), (20, 775604), (40, 387802), (71, 218480), (80, 193901), (142, 109240), (284, 54620), (355, 43696), (568, 27310), (710, 21848), (1136, 13655), (1420, 10924), (2731, 5680), (2840, 5462)]