208008880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89659}}^1$

素因数の和:89701

約数の個数: 40

約数和(自身を含む): 500302800

約数和(自身を除く): 292293920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 89659, 179318, 358636, 448295, 717272, 896590, 1434544, 1793180, 2600111, 3586360, 5200222, 7172720, 10400444, 13000555, 20800888, 26001110, 41601776, 52002220, 104004440, 208008880]

約数ペア:

[(1, 208008880), (2, 104004440), (4, 52002220), (5, 41601776), (8, 26001110), (10, 20800888), (16, 13000555), (20, 10400444), (29, 7172720), (40, 5200222), (58, 3586360), (80, 2600111), (116, 1793180), (145, 1434544), (232, 896590), (290, 717272), (464, 448295), (580, 358636), (1160, 179318), (2320, 89659)]