202457125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4078

約数の個数: 32

約数和(自身を含む): 280949760

約数和(自身を除く): 78492635

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 3875, 4019, 10075, 20095, 50375, 52247, 100475, 124589, 261235, 502375, 622945, 1306175, 1619657, 3114725, 6530875, 8098285, 15573625, 40491425, 202457125]

約数ペア:

[(1, 202457125), (5, 40491425), (13, 15573625), (25, 8098285), (31, 6530875), (65, 3114725), (125, 1619657), (155, 1306175), (325, 622945), (403, 502375), (775, 261235), (1625, 124589), (2015, 100475), (3875, 52247), (4019, 50375), (10075, 20095)]