1657677320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3187841}}^1$

素因数の和:3187865

約数の個数: 32

約数和(自身を含む): 4016680920

約数和(自身を除く): 2359003600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3187841, 6375682, 12751364, 15939205, 25502728, 31878410, 41441933, 63756820, 82883866, 127513640, 165767732, 207209665, 331535464, 414419330, 828838660, 1657677320]

約数ペア:

[(1, 1657677320), (2, 828838660), (4, 414419330), (5, 331535464), (8, 207209665), (10, 165767732), (13, 127513640), (20, 82883866), (26, 63756820), (40, 41441933), (52, 31878410), (65, 25502728), (104, 15939205), (130, 12751364), (260, 6375682), (520, 3187841)]