128464925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4789}}^1$

素因数の和:4865

約数の個数: 24

約数和(自身を含む): 169278600

約数和(自身を除く): 40813675

約数列:

[1, 5, 25, 29, 37, 145, 185, 725, 925, 1073, 4789, 5365, 23945, 26825, 119725, 138881, 177193, 694405, 885965, 3472025, 4429825, 5138597, 25692985, 128464925]

約数ペア:

[(1, 128464925), (5, 25692985), (25, 5138597), (29, 4429825), (37, 3472025), (145, 885965), (185, 694405), (725, 177193), (925, 138881), (1073, 119725), (4789, 26825), (5365, 23945)]