42205250

素因数分解:

$2^1\times 5^3\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 79393392

約数和(自身を除く): 37188142

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 401, 421, 802, 842, 2005, 2105, 4010, 4210, 10025, 10525, 20050, 21050, 50125, 52625, 100250, 105250, 168821, 337642, 844105, 1688210, 4220525, 8441050, 21102625, 42205250]

約数ペア:

[(1, 42205250), (2, 21102625), (5, 8441050), (10, 4220525), (25, 1688210), (50, 844105), (125, 337642), (250, 168821), (401, 105250), (421, 100250), (802, 52625), (842, 50125), (2005, 21050), (2105, 20050), (4010, 10525), (4210, 10025)]