55252420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 121701888

約数和(自身を除く): 66449468

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1567, 1763, 3134, 3526, 6268, 7052, 7835, 8815, 15670, 17630, 31340, 35260, 64247, 67381, 128494, 134762, 256988, 269524, 321235, 336905, 642470, 673810, 1284940, 1347620, 2762621, 5525242, 11050484, 13813105, 27626210, 55252420]

約数ペア:

[(1, 55252420), (2, 27626210), (4, 13813105), (5, 11050484), (10, 5525242), (20, 2762621), (41, 1347620), (43, 1284940), (82, 673810), (86, 642470), (164, 336905), (172, 321235), (205, 269524), (215, 256988), (410, 134762), (430, 128494), (820, 67381), (860, 64247), (1567, 35260), (1763, 31340), (3134, 17630), (3526, 15670), (6268, 8815), (7052, 7835)]