16867508125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2076001}}^1$

素因数の和:2076034

約数の個数: 20

約数和(自身を含む): 22699005868

約数和(自身を除く): 5831497743

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 2076001, 10380005, 26988013, 51900025, 134940065, 259500125, 674700325, 1297500625, 3373501625, 16867508125]

約数ペア:

[(1, 16867508125), (5, 3373501625), (13, 1297500625), (25, 674700325), (65, 259500125), (125, 134940065), (325, 51900025), (625, 26988013), (1625, 10380005), (8125, 2076001)]