25116280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 65018880

約数和(自身を除く): 39902600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 331, 542, 662, 1084, 1324, 1355, 1655, 1897, 2168, 2317, 2648, 2710, 3310, 3794, 4634, 5420, 6620, 7588, 9268, 9485, 10840, 11585, 13240, 15176, 18536, 18970, 23170, 37940, 46340, 75880, 89701, 92680, 179402, 358804, 448505, 627907, 717608, 897010, 1255814, 1794020, 2511628, 3139535, 3588040, 5023256, 6279070, 12558140, 25116280]

約数ペア:

[(1, 25116280), (2, 12558140), (4, 6279070), (5, 5023256), (7, 3588040), (8, 3139535), (10, 2511628), (14, 1794020), (20, 1255814), (28, 897010), (35, 717608), (40, 627907), (56, 448505), (70, 358804), (140, 179402), (271, 92680), (280, 89701), (331, 75880), (542, 46340), (662, 37940), (1084, 23170), (1324, 18970), (1355, 18536), (1655, 15176), (1897, 13240), (2168, 11585), (2317, 10840), (2648, 9485), (2710, 9268), (3310, 7588), (3794, 6620), (4634, 5420)]