16569872020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{119569}}^1$

素因数の和:119645

約数の個数: 72

約数和(自身を含む): 38598630840

約数和(自身を除く): 22028758820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 169, 205, 260, 338, 410, 533, 676, 820, 845, 1066, 1690, 2132, 2665, 3380, 5330, 6929, 10660, 13858, 27716, 34645, 69290, 119569, 138580, 239138, 478276, 597845, 1195690, 1554397, 2391380, 3108794, 4902329, 6217588, 7771985, 9804658, 15543970, 19609316, 20207161, 24511645, 31087940, 40414322, 49023290, 63730277, 80828644, 98046580, 101035805, 127460554, 202071610, 254921108, 318651385, 404143220, 637302770, 828493601, 1274605540, 1656987202, 3313974404, 4142468005, 8284936010, 16569872020]

約数ペア:

[(1, 16569872020), (2, 8284936010), (4, 4142468005), (5, 3313974404), (10, 1656987202), (13, 1274605540), (20, 828493601), (26, 637302770), (41, 404143220), (52, 318651385), (65, 254921108), (82, 202071610), (130, 127460554), (164, 101035805), (169, 98046580), (205, 80828644), (260, 63730277), (338, 49023290), (410, 40414322), (533, 31087940), (676, 24511645), (820, 20207161), (845, 19609316), (1066, 15543970), (1690, 9804658), (2132, 7771985), (2665, 6217588), (3380, 4902329), (5330, 3108794), (6929, 2391380), (10660, 1554397), (13858, 1195690), (27716, 597845), (34645, 478276), (69290, 239138), (119569, 138580)]