28981160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55733}}^1$

素因数の和:55757

約数の個数: 32

約数和(自身を含む): 70224840

約数和(自身を除く): 41243680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55733, 111466, 222932, 278665, 445864, 557330, 724529, 1114660, 1449058, 2229320, 2898116, 3622645, 5796232, 7245290, 14490580, 28981160]

約数ペア:

[(1, 28981160), (2, 14490580), (4, 7245290), (5, 5796232), (8, 3622645), (10, 2898116), (13, 2229320), (20, 1449058), (26, 1114660), (40, 724529), (52, 557330), (65, 445864), (104, 278665), (130, 222932), (260, 111466), (520, 55733)]