87344920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167971}}^1$

素因数の和:167995

約数の個数: 32

約数和(自身を含む): 211644720

約数和(自身を除く): 124299800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 167971, 335942, 671884, 839855, 1343768, 1679710, 2183623, 3359420, 4367246, 6718840, 8734492, 10918115, 17468984, 21836230, 43672460, 87344920]

約数ペア:

[(1, 87344920), (2, 43672460), (4, 21836230), (5, 17468984), (8, 10918115), (10, 8734492), (13, 6718840), (20, 4367246), (26, 3359420), (40, 2183623), (52, 1679710), (65, 1343768), (104, 839855), (130, 671884), (260, 335942), (520, 167971)]