31120960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7511

約数の個数: 56

約数和(自身を含む): 79817976

約数和(自身を除く): 48697016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7481, 14962, 29924, 37405, 59848, 74810, 97253, 119696, 149620, 194506, 239392, 299240, 389012, 478784, 486265, 598480, 778024, 972530, 1196960, 1556048, 1945060, 2393920, 3112096, 3890120, 6224192, 7780240, 15560480, 31120960]

約数ペア:

[(1, 31120960), (2, 15560480), (4, 7780240), (5, 6224192), (8, 3890120), (10, 3112096), (13, 2393920), (16, 1945060), (20, 1556048), (26, 1196960), (32, 972530), (40, 778024), (52, 598480), (64, 486265), (65, 478784), (80, 389012), (104, 299240), (130, 239392), (160, 194506), (208, 149620), (260, 119696), (320, 97253), (416, 74810), (520, 59848), (832, 37405), (1040, 29924), (2080, 14962), (4160, 7481)]