1632620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 3852576

約数和(自身を除く): 2219956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 181, 205, 220, 362, 410, 451, 724, 820, 902, 905, 1804, 1810, 1991, 2255, 3620, 3982, 4510, 7421, 7964, 9020, 9955, 14842, 19910, 29684, 37105, 39820, 74210, 81631, 148420, 163262, 326524, 408155, 816310, 1632620]

約数ペア:

[(1, 1632620), (2, 816310), (4, 408155), (5, 326524), (10, 163262), (11, 148420), (20, 81631), (22, 74210), (41, 39820), (44, 37105), (55, 29684), (82, 19910), (110, 14842), (164, 9955), (181, 9020), (205, 7964), (220, 7421), (362, 4510), (410, 3982), (451, 3620), (724, 2255), (820, 1991), (902, 1810), (905, 1804)]