8957680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2785

約数の個数: 40

約数和(自身を含む): 21342384

約数和(自身を除く): 12384704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2731, 3280, 5462, 10924, 13655, 21848, 27310, 43696, 54620, 109240, 111971, 218480, 223942, 447884, 559855, 895768, 1119710, 1791536, 2239420, 4478840, 8957680]

約数ペア:

[(1, 8957680), (2, 4478840), (4, 2239420), (5, 1791536), (8, 1119710), (10, 895768), (16, 559855), (20, 447884), (40, 223942), (41, 218480), (80, 111971), (82, 109240), (164, 54620), (205, 43696), (328, 27310), (410, 21848), (656, 13655), (820, 10924), (1640, 5462), (2731, 3280)]