4785625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 6997760

約数和(自身を除く): 2212135

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 125, 155, 247, 325, 403, 475, 589, 625, 775, 1235, 1625, 2015, 2375, 2945, 3875, 6175, 7657, 8125, 10075, 11875, 14725, 19375, 30875, 38285, 50375, 73625, 154375, 191425, 251875, 368125, 957125, 4785625]

約数ペア:

[(1, 4785625), (5, 957125), (13, 368125), (19, 251875), (25, 191425), (31, 154375), (65, 73625), (95, 50375), (125, 38285), (155, 30875), (247, 19375), (325, 14725), (403, 11875), (475, 10075), (589, 8125), (625, 7657), (775, 6175), (1235, 3875), (1625, 2945), (2015, 2375)]