1561820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6007}}^1$

素因数の和:6029

約数の個数: 24

約数和(自身を含む): 3532704

約数和(自身を除く): 1970884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6007, 12014, 24028, 30035, 60070, 78091, 120140, 156182, 312364, 390455, 780910, 1561820]

約数ペア:

[(1, 1561820), (2, 780910), (4, 390455), (5, 312364), (10, 156182), (13, 120140), (20, 78091), (26, 60070), (52, 30035), (65, 24028), (130, 12014), (260, 6007)]