133728920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257171}}^1$

素因数の和:257195

約数の個数: 32

約数和(自身を含む): 324036720

約数和(自身を除く): 190307800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 257171, 514342, 1028684, 1285855, 2057368, 2571710, 3343223, 5143420, 6686446, 10286840, 13372892, 16716115, 26745784, 33432230, 66864460, 133728920]

約数ペア:

[(1, 133728920), (2, 66864460), (4, 33432230), (5, 26745784), (8, 16716115), (10, 13372892), (13, 10286840), (20, 6686446), (26, 5143420), (40, 3343223), (52, 2571710), (65, 2057368), (104, 1285855), (130, 1028684), (260, 514342), (520, 257171)]