1975625

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 20

約数和(自身を含む): 2577300

約数和(自身を除く): 601675

約数列:

[1, 5, 25, 29, 109, 125, 145, 545, 625, 725, 2725, 3161, 3625, 13625, 15805, 18125, 68125, 79025, 395125, 1975625]

約数ペア:

[(1, 1975625), (5, 395125), (25, 79025), (29, 68125), (109, 18125), (125, 15805), (145, 13625), (545, 3625), (625, 3161), (725, 2725)]