172131875

素因数分解:

$5^4\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1640

約数の個数: 20

約数和(自身を含む): 216361992

約数和(自身を除く): 44230117

約数列:

[1, 5, 25, 125, 193, 625, 965, 1427, 4825, 7135, 24125, 35675, 120625, 178375, 275411, 891875, 1377055, 6885275, 34426375, 172131875]

約数ペア:

[(1, 172131875), (5, 34426375), (25, 6885275), (125, 1377055), (193, 891875), (625, 275411), (965, 178375), (1427, 120625), (4825, 35675), (7135, 24125)]