7959250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 16773120

約数和(自身を除く): 8813870

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 79, 125, 130, 155, 158, 250, 310, 325, 395, 403, 650, 775, 790, 806, 1027, 1550, 1625, 1975, 2015, 2054, 2449, 3250, 3875, 3950, 4030, 4898, 5135, 7750, 9875, 10075, 10270, 12245, 19750, 20150, 24490, 25675, 31837, 50375, 51350, 61225, 63674, 100750, 122450, 128375, 159185, 256750, 306125, 318370, 612250, 795925, 1591850, 3979625, 7959250]

約数ペア:

[(1, 7959250), (2, 3979625), (5, 1591850), (10, 795925), (13, 612250), (25, 318370), (26, 306125), (31, 256750), (50, 159185), (62, 128375), (65, 122450), (79, 100750), (125, 63674), (130, 61225), (155, 51350), (158, 50375), (250, 31837), (310, 25675), (325, 24490), (395, 20150), (403, 19750), (650, 12245), (775, 10270), (790, 10075), (806, 9875), (1027, 7750), (1550, 5135), (1625, 4898), (1975, 4030), (2015, 3950), (2054, 3875), (2449, 3250)]