13512980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51973}}^1$

素因数の和:51995

約数の個数: 24

約数和(自身を含む): 30560712

約数和(自身を除く): 17047732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 51973, 103946, 207892, 259865, 519730, 675649, 1039460, 1351298, 2702596, 3378245, 6756490, 13512980]

約数ペア:

[(1, 13512980), (2, 6756490), (4, 3378245), (5, 2702596), (10, 1351298), (13, 1039460), (20, 675649), (26, 519730), (52, 259865), (65, 207892), (130, 103946), (260, 51973)]