55309180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 120615264

約数和(自身を除く): 65306084

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 881, 1460, 1762, 3139, 3524, 4405, 6278, 8810, 12556, 15695, 17620, 31390, 37883, 62780, 64313, 75766, 128626, 151532, 189415, 257252, 321565, 378830, 643130, 757660, 1286260, 2765459, 5530918, 11061836, 13827295, 27654590, 55309180]

約数ペア:

[(1, 55309180), (2, 27654590), (4, 13827295), (5, 11061836), (10, 5530918), (20, 2765459), (43, 1286260), (73, 757660), (86, 643130), (146, 378830), (172, 321565), (215, 257252), (292, 189415), (365, 151532), (430, 128626), (730, 75766), (860, 64313), (881, 62780), (1460, 37883), (1762, 31390), (3139, 17620), (3524, 15695), (4405, 12556), (6278, 8810)]