2576440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 5942160

約数和(自身を除く): 3365720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1571, 1640, 3142, 6284, 7855, 12568, 15710, 31420, 62840, 64411, 128822, 257644, 322055, 515288, 644110, 1288220, 2576440]

約数ペア:

[(1, 2576440), (2, 1288220), (4, 644110), (5, 515288), (8, 322055), (10, 257644), (20, 128822), (40, 64411), (41, 62840), (82, 31420), (164, 15710), (205, 12568), (328, 7855), (410, 6284), (820, 3142), (1571, 1640)]