4640725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 6149160

約数和(自身を除く): 1508435

約数列:

[1, 5, 25, 29, 37, 145, 173, 185, 725, 865, 925, 1073, 4325, 5017, 5365, 6401, 25085, 26825, 32005, 125425, 160025, 185629, 928145, 4640725]

約数ペア:

[(1, 4640725), (5, 928145), (25, 185629), (29, 160025), (37, 125425), (145, 32005), (173, 26825), (185, 25085), (725, 6401), (865, 5365), (925, 5017), (1073, 4325)]