788261680

素因数分解:

$2^4\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{5471}}^1$

素因数の和:7285

約数の個数: 40

約数和(自身を含む): 1834061184

約数和(自身を除く): 1045799504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1801, 3602, 5471, 7204, 9005, 10942, 14408, 18010, 21884, 27355, 28816, 36020, 43768, 54710, 72040, 87536, 109420, 144080, 218840, 437680, 9853271, 19706542, 39413084, 49266355, 78826168, 98532710, 157652336, 197065420, 394130840, 788261680]

約数ペア:

[(1, 788261680), (2, 394130840), (4, 197065420), (5, 157652336), (8, 98532710), (10, 78826168), (16, 49266355), (20, 39413084), (40, 19706542), (80, 9853271), (1801, 437680), (3602, 218840), (5471, 144080), (7204, 109420), (9005, 87536), (10942, 72040), (14408, 54710), (18010, 43768), (21884, 36020), (27355, 28816)]