139786660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41357}}^1$

素因数の和:41392

約数の個数: 36

約数和(自身を含む): 317877588

約数和(自身を除く): 178090928

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 41357, 82714, 165428, 206785, 413570, 537641, 827140, 1075282, 2150564, 2688205, 5376410, 6989333, 10752820, 13978666, 27957332, 34946665, 69893330, 139786660]

約数ペア:

[(1, 139786660), (2, 69893330), (4, 34946665), (5, 27957332), (10, 13978666), (13, 10752820), (20, 6989333), (26, 5376410), (52, 2688205), (65, 2150564), (130, 1075282), (169, 827140), (260, 537641), (338, 413570), (676, 206785), (845, 165428), (1690, 82714), (3380, 41357)]