43801420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12959}}^1$

素因数の和:12994

約数の個数: 36

約数和(自身を含む): 99610560

約数和(自身を除く): 55809140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12959, 25918, 51836, 64795, 129590, 168467, 259180, 336934, 673868, 842335, 1684670, 2190071, 3369340, 4380142, 8760284, 10950355, 21900710, 43801420]

約数ペア:

[(1, 43801420), (2, 21900710), (4, 10950355), (5, 8760284), (10, 4380142), (13, 3369340), (20, 2190071), (26, 1684670), (52, 842335), (65, 673868), (130, 336934), (169, 259180), (260, 168467), (338, 129590), (676, 64795), (845, 51836), (1690, 25918), (3380, 12959)]