22173125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2762

約数の個数: 20

約数和(自身を含む): 29849820

約数和(自身を除く): 7676695

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 2729, 8125, 13645, 35477, 68225, 177385, 341125, 886925, 1705625, 4434625, 22173125]

約数ペア:

[(1, 22173125), (5, 4434625), (13, 1705625), (25, 886925), (65, 341125), (125, 177385), (325, 68225), (625, 35477), (1625, 13645), (2729, 8125)]