13268125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 18893952

約数和(自身を除く): 5625827

約数列:

[1, 5, 13, 23, 25, 65, 71, 115, 125, 299, 325, 355, 575, 625, 923, 1495, 1625, 1633, 1775, 2875, 4615, 7475, 8125, 8165, 8875, 14375, 21229, 23075, 37375, 40825, 44375, 106145, 115375, 186875, 204125, 530725, 576875, 1020625, 2653625, 13268125]

約数ペア:

[(1, 13268125), (5, 2653625), (13, 1020625), (23, 576875), (25, 530725), (65, 204125), (71, 186875), (115, 115375), (125, 106145), (299, 44375), (325, 40825), (355, 37375), (575, 23075), (625, 21229), (923, 14375), (1495, 8875), (1625, 8165), (1633, 8125), (1775, 7475), (2875, 4615)]