51893140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 118152720

約数和(自身を除く): 66259580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1181, 1690, 2197, 2362, 3380, 4394, 4724, 5905, 8788, 10985, 11810, 15353, 21970, 23620, 30706, 43940, 61412, 76765, 153530, 199589, 307060, 399178, 798356, 997945, 1995890, 2594657, 3991780, 5189314, 10378628, 12973285, 25946570, 51893140]

約数ペア:

[(1, 51893140), (2, 25946570), (4, 12973285), (5, 10378628), (10, 5189314), (13, 3991780), (20, 2594657), (26, 1995890), (52, 997945), (65, 798356), (130, 399178), (169, 307060), (260, 199589), (338, 153530), (676, 76765), (845, 61412), (1181, 43940), (1690, 30706), (2197, 23620), (2362, 21970), (3380, 15353), (4394, 11810), (4724, 10985), (5905, 8788)]