61908860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7734

約数の個数: 48

約数和(自身を含む): 144544512

約数和(自身を除く): 82635652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 7681, 8060, 15362, 30724, 38405, 76810, 99853, 153620, 199706, 238111, 399412, 476222, 499265, 952444, 998530, 1190555, 1997060, 2381110, 3095443, 4762220, 6190886, 12381772, 15477215, 30954430, 61908860]

約数ペア:

[(1, 61908860), (2, 30954430), (4, 15477215), (5, 12381772), (10, 6190886), (13, 4762220), (20, 3095443), (26, 2381110), (31, 1997060), (52, 1190555), (62, 998530), (65, 952444), (124, 499265), (130, 476222), (155, 399412), (260, 238111), (310, 199706), (403, 153620), (620, 99853), (806, 76810), (1612, 38405), (2015, 30724), (4030, 15362), (7681, 8060)]