22890520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 31541480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 179, 184, 230, 278, 358, 460, 556, 695, 716, 895, 920, 1112, 1390, 1432, 1790, 2780, 3197, 3580, 4117, 5560, 6394, 7160, 8234, 12788, 15985, 16468, 20585, 24881, 25576, 31970, 32936, 41170, 49762, 63940, 82340, 99524, 124405, 127880, 164680, 199048, 248810, 497620, 572263, 995240, 1144526, 2289052, 2861315, 4578104, 5722630, 11445260, 22890520]

約数ペア:

[(1, 22890520), (2, 11445260), (4, 5722630), (5, 4578104), (8, 2861315), (10, 2289052), (20, 1144526), (23, 995240), (40, 572263), (46, 497620), (92, 248810), (115, 199048), (139, 164680), (179, 127880), (184, 124405), (230, 99524), (278, 82340), (358, 63940), (460, 49762), (556, 41170), (695, 32936), (716, 31970), (895, 25576), (920, 24881), (1112, 20585), (1390, 16468), (1432, 15985), (1790, 12788), (2780, 8234), (3197, 7160), (3580, 6394), (4117, 5560)]