51810460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 118540800

約数和(自身を除く): 66730340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2239, 2314, 4478, 4628, 5785, 8956, 11195, 11570, 22390, 23140, 29107, 44780, 58214, 116428, 145535, 199271, 291070, 398542, 582140, 797084, 996355, 1992710, 2590523, 3985420, 5181046, 10362092, 12952615, 25905230, 51810460]

約数ペア:

[(1, 51810460), (2, 25905230), (4, 12952615), (5, 10362092), (10, 5181046), (13, 3985420), (20, 2590523), (26, 1992710), (52, 996355), (65, 797084), (89, 582140), (130, 398542), (178, 291070), (260, 199271), (356, 145535), (445, 116428), (890, 58214), (1157, 44780), (1780, 29107), (2239, 23140), (2314, 22390), (4478, 11570), (4628, 11195), (5785, 8956)]