20183125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:814

約数の個数: 20

約数和(自身を含む): 25841728

約数和(自身を除く): 5658603

約数列:

[1, 5, 25, 43, 125, 215, 625, 751, 1075, 3755, 5375, 18775, 26875, 32293, 93875, 161465, 469375, 807325, 4036625, 20183125]

約数ペア:

[(1, 20183125), (5, 4036625), (25, 807325), (43, 469375), (125, 161465), (215, 93875), (625, 32293), (751, 26875), (1075, 18775), (3755, 5375)]