73947640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10939}}^1$

素因数の和:10976

約数の個数: 48

約数和(自身を含む): 180181800

約数和(自身を除く): 106234160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 10939, 21878, 43756, 54695, 87512, 109390, 142207, 218780, 284414, 437560, 568828, 711035, 1137656, 1422070, 1848691, 2844140, 3697382, 5688280, 7394764, 9243455, 14789528, 18486910, 36973820, 73947640]

約数ペア:

[(1, 73947640), (2, 36973820), (4, 18486910), (5, 14789528), (8, 9243455), (10, 7394764), (13, 5688280), (20, 3697382), (26, 2844140), (40, 1848691), (52, 1422070), (65, 1137656), (104, 711035), (130, 568828), (169, 437560), (260, 284414), (338, 218780), (520, 142207), (676, 109390), (845, 87512), (1352, 54695), (1690, 43756), (3380, 21878), (6760, 10939)]