51417940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4649}}^1$

素因数の和:4744

約数の個数: 48

約数和(自身を含む): 124992000

約数和(自身を除く): 73574060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 4649, 5530, 9298, 11060, 18596, 23245, 32543, 46490, 65086, 92980, 130172, 162715, 325430, 367271, 650860, 734542, 1469084, 1836355, 2570897, 3672710, 5141794, 7345420, 10283588, 12854485, 25708970, 51417940]

約数ペア:

[(1, 51417940), (2, 25708970), (4, 12854485), (5, 10283588), (7, 7345420), (10, 5141794), (14, 3672710), (20, 2570897), (28, 1836355), (35, 1469084), (70, 734542), (79, 650860), (140, 367271), (158, 325430), (316, 162715), (395, 130172), (553, 92980), (790, 65086), (1106, 46490), (1580, 32543), (2212, 23245), (2765, 18596), (4649, 11060), (5530, 9298)]