164025625

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 216886824

約数和(自身を除く): 52861199

約数列:

[1, 5, 25, 37, 41, 125, 173, 185, 205, 625, 865, 925, 1025, 1517, 4325, 4625, 5125, 6401, 7093, 7585, 21625, 23125, 25625, 32005, 35465, 37925, 108125, 160025, 177325, 189625, 262441, 800125, 886625, 948125, 1312205, 4000625, 4433125, 6561025, 32805125, 164025625]

約数ペア:

[(1, 164025625), (5, 32805125), (25, 6561025), (37, 4433125), (41, 4000625), (125, 1312205), (173, 948125), (185, 886625), (205, 800125), (625, 262441), (865, 189625), (925, 177325), (1025, 160025), (1517, 108125), (4325, 37925), (4625, 35465), (5125, 32005), (6401, 25625), (7093, 23125), (7585, 21625)]