206829520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83399}}^1$

素因数の和:83443

約数の個数: 40

約数和(自身を含む): 496396800

約数和(自身を除く): 289567280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83399, 166798, 333596, 416995, 667192, 833990, 1334384, 1667980, 2585369, 3335960, 5170738, 6671920, 10341476, 12926845, 20682952, 25853690, 41365904, 51707380, 103414760, 206829520]

約数ペア:

[(1, 206829520), (2, 103414760), (4, 51707380), (5, 41365904), (8, 25853690), (10, 20682952), (16, 12926845), (20, 10341476), (31, 6671920), (40, 5170738), (62, 3335960), (80, 2585369), (124, 1667980), (155, 1334384), (248, 833990), (310, 667192), (496, 416995), (620, 333596), (1240, 166798), (2480, 83399)]