38861875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{4783}}^1$

素因数の和:4816

約数の個数: 20

約数和(自身を含む): 52308256

約数和(自身を除く): 13446381

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 4783, 8125, 23915, 62179, 119575, 310895, 597875, 1554475, 2989375, 7772375, 38861875]

約数ペア:

[(1, 38861875), (5, 7772375), (13, 2989375), (25, 1554475), (65, 597875), (125, 310895), (325, 119575), (625, 62179), (1625, 23915), (4783, 8125)]