49386875

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2600

約数の個数: 20

約数和(自身を含む): 63729600

約数和(自身を除く): 14342725

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 2549, 3875, 12745, 19375, 63725, 79019, 318625, 395095, 1593125, 1975475, 9877375, 49386875]

約数ペア:

[(1, 49386875), (5, 9877375), (25, 1975475), (31, 1593125), (125, 395095), (155, 318625), (625, 79019), (775, 63725), (2549, 19375), (3875, 12745)]