87894580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{102203}}^1$

素因数の和:102255

約数の個数: 24

約数和(自身を含む): 188872992

約数和(自身を除く): 100978412

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 102203, 204406, 408812, 511015, 1022030, 2044060, 4394729, 8789458, 17578916, 21973645, 43947290, 87894580]

約数ペア:

[(1, 87894580), (2, 43947290), (4, 21973645), (5, 17578916), (10, 8789458), (20, 4394729), (43, 2044060), (86, 1022030), (172, 511015), (215, 408812), (430, 204406), (860, 102203)]