415790840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{253531}}^1$

素因数の和:253583

約数の個数: 32

約数和(自身を含む): 958350960

約数和(自身を除く): 542560120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 253531, 507062, 1014124, 1267655, 2028248, 2535310, 5070620, 10141240, 10394771, 20789542, 41579084, 51973855, 83158168, 103947710, 207895420, 415790840]

約数ペア:

[(1, 415790840), (2, 207895420), (4, 103947710), (5, 83158168), (8, 51973855), (10, 41579084), (20, 20789542), (40, 10394771), (41, 10141240), (82, 5070620), (164, 2535310), (205, 2028248), (328, 1267655), (410, 1014124), (820, 507062), (1640, 253531)]