28305359875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2663}}^1$

素因数の和:2933

約数の個数: 64

約数和(自身を含む): 39470505984

約数和(自身を除く): 11165146109

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 211, 325, 403, 775, 1055, 1625, 2015, 2663, 2743, 3875, 5275, 6541, 10075, 13315, 13715, 26375, 32705, 34619, 50375, 66575, 68575, 82553, 85033, 163525, 173095, 332875, 342875, 412765, 425165, 561893, 817625, 865475, 1073189, 2063825, 2125825, 2809465, 4327375, 5365945, 7304609, 10319125, 10629125, 14047325, 17418683, 26829725, 36523045, 70236625, 87093415, 134148625, 182615225, 226442879, 435467075, 913076125, 1132214395, 2177335375, 5661071975, 28305359875]

約数ペア:

[(1, 28305359875), (5, 5661071975), (13, 2177335375), (25, 1132214395), (31, 913076125), (65, 435467075), (125, 226442879), (155, 182615225), (211, 134148625), (325, 87093415), (403, 70236625), (775, 36523045), (1055, 26829725), (1625, 17418683), (2015, 14047325), (2663, 10629125), (2743, 10319125), (3875, 7304609), (5275, 5365945), (6541, 4327375), (10075, 2809465), (13315, 2125825), (13715, 2063825), (26375, 1073189), (32705, 865475), (34619, 817625), (50375, 561893), (66575, 425165), (68575, 412765), (82553, 342875), (85033, 332875), (163525, 173095)]