56205280

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3947}}^1$

素因数の和:4051

約数の個数: 48

約数和(自身を含む): 134310960

約数和(自身を除く): 78105680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 3947, 7120, 7894, 14240, 15788, 19735, 31576, 39470, 63152, 78940, 126304, 157880, 315760, 351283, 631520, 702566, 1405132, 1756415, 2810264, 3512830, 5620528, 7025660, 11241056, 14051320, 28102640, 56205280]

約数ペア:

[(1, 56205280), (2, 28102640), (4, 14051320), (5, 11241056), (8, 7025660), (10, 5620528), (16, 3512830), (20, 2810264), (32, 1756415), (40, 1405132), (80, 702566), (89, 631520), (160, 351283), (178, 315760), (356, 157880), (445, 126304), (712, 78940), (890, 63152), (1424, 39470), (1780, 31576), (2848, 19735), (3560, 15788), (3947, 14240), (7120, 7894)]