40543210

素因数分解:

$2^1\times 5^1\times {\mathrm{4054321}}^1$

素因数の和:4054328

約数の個数: 8

約数和(自身を含む): 72977796

約数和(自身を除く): 32434586

約数列:

[1, 2, 5, 10, 4054321, 8108642, 20271605, 40543210]

約数ペア:

[(1, 40543210), (2, 20271605), (5, 8108642), (10, 4054321)]