40784204

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 72650928

約数和(自身を除く): 31866724

約数列:

[1, 2, 4, 101, 157, 202, 314, 404, 628, 643, 1286, 2572, 15857, 31714, 63428, 64943, 100951, 129886, 201902, 259772, 403804, 10196051, 20392102, 40784204]

約数ペア:

[(1, 40784204), (2, 20392102), (4, 10196051), (101, 403804), (157, 259772), (202, 201902), (314, 129886), (404, 100951), (628, 64943), (643, 63428), (1286, 31714), (2572, 15857)]