13349375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 40

約数和(自身を含む): 18893952

約数和(自身を除く): 5544577

約数列:

[1, 5, 13, 25, 31, 53, 65, 125, 155, 265, 325, 403, 625, 689, 775, 1325, 1625, 1643, 2015, 3445, 3875, 6625, 8125, 8215, 10075, 17225, 19375, 21359, 33125, 41075, 50375, 86125, 106795, 205375, 251875, 430625, 533975, 1026875, 2669875, 13349375]

約数ペア:

[(1, 13349375), (5, 2669875), (13, 1026875), (25, 533975), (31, 430625), (53, 251875), (65, 205375), (125, 106795), (155, 86125), (265, 50375), (325, 41075), (403, 33125), (625, 21359), (689, 19375), (775, 17225), (1325, 10075), (1625, 8215), (1643, 8125), (2015, 6625), (3445, 3875)]