920200625

素因数分解:

$5^4\times {\mathrm{347}}^1\times {\mathrm{4243}}^1$

素因数の和:4610

約数の個数: 20

約数和(自身を含む): 1153468272

約数和(自身を除く): 233267647

約数列:

[1, 5, 25, 125, 347, 625, 1735, 4243, 8675, 21215, 43375, 106075, 216875, 530375, 1472321, 2651875, 7361605, 36808025, 184040125, 920200625]

約数ペア:

[(1, 920200625), (5, 184040125), (25, 36808025), (125, 7361605), (347, 2651875), (625, 1472321), (1735, 530375), (4243, 216875), (8675, 106075), (21215, 43375)]