31637980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 74833920

約数和(自身を除く): 43195940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4639, 6820, 9278, 18556, 23195, 46390, 51029, 92780, 102058, 143809, 204116, 255145, 287618, 510290, 575236, 719045, 1020580, 1438090, 1581899, 2876180, 3163798, 6327596, 7909495, 15818990, 31637980]

約数ペア:

[(1, 31637980), (2, 15818990), (4, 7909495), (5, 6327596), (10, 3163798), (11, 2876180), (20, 1581899), (22, 1438090), (31, 1020580), (44, 719045), (55, 575236), (62, 510290), (110, 287618), (124, 255145), (155, 204116), (220, 143809), (310, 102058), (341, 92780), (620, 51029), (682, 46390), (1364, 23195), (1705, 18556), (3410, 9278), (4639, 6820)]