72248020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1033}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 164157840

約数和(自身を除く): 91909820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1033, 1076, 1345, 2066, 2690, 3497, 4132, 5165, 5380, 6994, 10330, 13429, 13988, 17485, 20660, 26858, 34970, 53716, 67145, 69940, 134290, 268580, 277877, 555754, 1111508, 1389385, 2778770, 3612401, 5557540, 7224802, 14449604, 18062005, 36124010, 72248020]

約数ペア:

[(1, 72248020), (2, 36124010), (4, 18062005), (5, 14449604), (10, 7224802), (13, 5557540), (20, 3612401), (26, 2778770), (52, 1389385), (65, 1111508), (130, 555754), (260, 277877), (269, 268580), (538, 134290), (1033, 69940), (1076, 67145), (1345, 53716), (2066, 34970), (2690, 26858), (3497, 20660), (4132, 17485), (5165, 13988), (5380, 13429), (6994, 10330)]