203469320

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12437}}^1$

素因数の和:12857

約数の個数: 32

約数和(自身を含む): 458962200

約数和(自身を除く): 255492880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 12437, 16360, 24874, 49748, 62185, 99496, 124370, 248740, 497480, 5086733, 10173466, 20346932, 25433665, 40693864, 50867330, 101734660, 203469320]

約数ペア:

[(1, 203469320), (2, 101734660), (4, 50867330), (5, 40693864), (8, 25433665), (10, 20346932), (20, 10173466), (40, 5086733), (409, 497480), (818, 248740), (1636, 124370), (2045, 99496), (3272, 62185), (4090, 49748), (8180, 24874), (12437, 16360)]