205575890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{14779}}^1$

素因数の和:14906

約数の個数: 32

約数和(自身を含む): 402252480

約数和(自身を除く): 196676590

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2782, 6955, 13910, 14779, 29558, 73895, 147790, 192127, 384254, 960635, 1581353, 1921270, 3162706, 7906765, 15813530, 20557589, 41115178, 102787945, 205575890]

約数ペア:

[(1, 205575890), (2, 102787945), (5, 41115178), (10, 20557589), (13, 15813530), (26, 7906765), (65, 3162706), (107, 1921270), (130, 1581353), (214, 960635), (535, 384254), (1070, 192127), (1391, 147790), (2782, 73895), (6955, 29558), (13910, 14779)]