86909875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 118460160

約数和(自身を除く): 31550285

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 677, 1027, 1625, 1975, 3385, 5135, 8801, 9875, 16925, 25675, 44005, 53483, 84625, 128375, 220025, 267415, 695279, 1100125, 1337075, 3476395, 6685375, 17381975, 86909875]

約数ペア:

[(1, 86909875), (5, 17381975), (13, 6685375), (25, 3476395), (65, 1337075), (79, 1100125), (125, 695279), (325, 267415), (395, 220025), (677, 128375), (1027, 84625), (1625, 53483), (1975, 44005), (3385, 25675), (5135, 16925), (8801, 9875)]