52911280

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1571}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 123389424

約数和(自身を除く): 70478144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1571, 1684, 2105, 3142, 3368, 4210, 6284, 6736, 7855, 8420, 12568, 15710, 16840, 25136, 31420, 33680, 62840, 125680, 661391, 1322782, 2645564, 3306955, 5291128, 6613910, 10582256, 13227820, 26455640, 52911280]

約数ペア:

[(1, 52911280), (2, 26455640), (4, 13227820), (5, 10582256), (8, 6613910), (10, 5291128), (16, 3306955), (20, 2645564), (40, 1322782), (80, 661391), (421, 125680), (842, 62840), (1571, 33680), (1684, 31420), (2105, 25136), (3142, 16840), (3368, 15710), (4210, 12568), (6284, 8420), (6736, 7855)]