8241350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 17082240

約数和(自身を除く): 8840890

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 409, 650, 775, 806, 818, 1550, 2015, 2045, 4030, 4090, 5317, 10075, 10225, 10634, 12679, 20150, 20450, 25358, 26585, 53170, 63395, 126790, 132925, 164827, 265850, 316975, 329654, 633950, 824135, 1648270, 4120675, 8241350]

約数ペア:

[(1, 8241350), (2, 4120675), (5, 1648270), (10, 824135), (13, 633950), (25, 329654), (26, 316975), (31, 265850), (50, 164827), (62, 132925), (65, 126790), (130, 63395), (155, 53170), (310, 26585), (325, 25358), (403, 20450), (409, 20150), (650, 12679), (775, 10634), (806, 10225), (818, 10075), (1550, 5317), (2015, 4090), (2045, 4030)]