61364375

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2156

約数の個数: 20

約数和(自身を含む): 78349920

約数和(自身を除く): 16985545

約数列:

[1, 5, 25, 47, 125, 235, 625, 1175, 2089, 5875, 10445, 29375, 52225, 98183, 261125, 490915, 1305625, 2454575, 12272875, 61364375]

約数ペア:

[(1, 61364375), (5, 12272875), (25, 2454575), (47, 1305625), (125, 490915), (235, 261125), (625, 98183), (1175, 52225), (2089, 29375), (5875, 10445)]