1952207620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{216431}}^1$

素因数の和:216492

約数の個数: 48

約数和(自身を含む): 4581432576

約数和(自身を除く): 2629224956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 216431, 432862, 865724, 1082155, 2164310, 2380741, 4328620, 4761482, 8873671, 9522964, 11903705, 17747342, 23807410, 35494684, 44368355, 47614820, 88736710, 97610381, 177473420, 195220762, 390441524, 488051905, 976103810, 1952207620]

約数ペア:

[(1, 1952207620), (2, 976103810), (4, 488051905), (5, 390441524), (10, 195220762), (11, 177473420), (20, 97610381), (22, 88736710), (41, 47614820), (44, 44368355), (55, 35494684), (82, 23807410), (110, 17747342), (164, 11903705), (205, 9522964), (220, 8873671), (410, 4761482), (451, 4328620), (820, 2380741), (902, 2164310), (1804, 1082155), (2255, 865724), (4510, 432862), (9020, 216431)]