5220380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 12186720

約数和(自身を除く): 6966340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 389, 610, 671, 778, 1220, 1342, 1556, 1945, 2684, 3355, 3890, 4279, 6710, 7780, 8558, 13420, 17116, 21395, 23729, 42790, 47458, 85580, 94916, 118645, 237290, 261019, 474580, 522038, 1044076, 1305095, 2610190, 5220380]

約数ペア:

[(1, 5220380), (2, 2610190), (4, 1305095), (5, 1044076), (10, 522038), (11, 474580), (20, 261019), (22, 237290), (44, 118645), (55, 94916), (61, 85580), (110, 47458), (122, 42790), (220, 23729), (244, 21395), (305, 17116), (389, 13420), (610, 8558), (671, 7780), (778, 6710), (1220, 4279), (1342, 3890), (1556, 3355), (1945, 2684)]