22256440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 51483240

約数和(自身を除く): 29226800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 331, 410, 662, 820, 1324, 1640, 1655, 1681, 2648, 3310, 3362, 6620, 6724, 8405, 13240, 13448, 13571, 16810, 27142, 33620, 54284, 67240, 67855, 108568, 135710, 271420, 542840, 556411, 1112822, 2225644, 2782055, 4451288, 5564110, 11128220, 22256440]

約数ペア:

[(1, 22256440), (2, 11128220), (4, 5564110), (5, 4451288), (8, 2782055), (10, 2225644), (20, 1112822), (40, 556411), (41, 542840), (82, 271420), (164, 135710), (205, 108568), (328, 67855), (331, 67240), (410, 54284), (662, 33620), (820, 27142), (1324, 16810), (1640, 13571), (1655, 13448), (1681, 13240), (2648, 8405), (3310, 6724), (3362, 6620)]