5428020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6959}}^1$

素因数の和:6984

約数の個数: 48

約数和(自身を含む): 16369920

約数和(自身を除く): 10941900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 6959, 13918, 20877, 27836, 34795, 41754, 69590, 83508, 90467, 104385, 139180, 180934, 208770, 271401, 361868, 417540, 452335, 542802, 904670, 1085604, 1357005, 1809340, 2714010, 5428020]

約数ペア:

[(1, 5428020), (2, 2714010), (3, 1809340), (4, 1357005), (5, 1085604), (6, 904670), (10, 542802), (12, 452335), (13, 417540), (15, 361868), (20, 271401), (26, 208770), (30, 180934), (39, 139180), (52, 104385), (60, 90467), (65, 83508), (78, 69590), (130, 41754), (156, 34795), (195, 27836), (260, 20877), (390, 13918), (780, 6959)]