7132364920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{26681}}^1$

素因数の和:26896

約数の個数: 64

約数和(自身を含む): 16540705440

約数和(自身を除く): 9408340520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 652, 815, 820, 1304, 1630, 1640, 3260, 6520, 6683, 13366, 26681, 26732, 33415, 53362, 53464, 66830, 106724, 133405, 133660, 213448, 266810, 267320, 533620, 1067240, 1093921, 2187842, 4349003, 4375684, 5469605, 8698006, 8751368, 10939210, 17396012, 21745015, 21878420, 34792024, 43490030, 43756840, 86980060, 173960120, 178309123, 356618246, 713236492, 891545615, 1426472984, 1783091230, 3566182460, 7132364920]

約数ペア:

[(1, 7132364920), (2, 3566182460), (4, 1783091230), (5, 1426472984), (8, 891545615), (10, 713236492), (20, 356618246), (40, 178309123), (41, 173960120), (82, 86980060), (163, 43756840), (164, 43490030), (205, 34792024), (326, 21878420), (328, 21745015), (410, 17396012), (652, 10939210), (815, 8751368), (820, 8698006), (1304, 5469605), (1630, 4375684), (1640, 4349003), (3260, 2187842), (6520, 1093921), (6683, 1067240), (13366, 533620), (26681, 267320), (26732, 266810), (33415, 213448), (53362, 133660), (53464, 133405), (66830, 106724)]