39796250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 83973120

約数和(自身を除く): 44176870

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 79, 125, 130, 155, 158, 250, 310, 325, 395, 403, 625, 650, 775, 790, 806, 1027, 1250, 1550, 1625, 1975, 2015, 2054, 2449, 3250, 3875, 3950, 4030, 4898, 5135, 7750, 8125, 9875, 10075, 10270, 12245, 16250, 19375, 19750, 20150, 24490, 25675, 31837, 38750, 49375, 50375, 51350, 61225, 63674, 98750, 100750, 122450, 128375, 159185, 251875, 256750, 306125, 318370, 503750, 612250, 641875, 795925, 1283750, 1530625, 1591850, 3061250, 3979625, 7959250, 19898125, 39796250]

約数ペア:

[(1, 39796250), (2, 19898125), (5, 7959250), (10, 3979625), (13, 3061250), (25, 1591850), (26, 1530625), (31, 1283750), (50, 795925), (62, 641875), (65, 612250), (79, 503750), (125, 318370), (130, 306125), (155, 256750), (158, 251875), (250, 159185), (310, 128375), (325, 122450), (395, 100750), (403, 98750), (625, 63674), (650, 61225), (775, 51350), (790, 50375), (806, 49375), (1027, 38750), (1250, 31837), (1550, 25675), (1625, 24490), (1975, 20150), (2015, 19750), (2054, 19375), (2449, 16250), (3250, 12245), (3875, 10270), (3950, 10075), (4030, 9875), (4898, 8125), (5135, 7750)]