57486280

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2927}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 129651840

約数和(自身を除く): 72165560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 2927, 3928, 4910, 5854, 9820, 11708, 14635, 19640, 23416, 29270, 58540, 117080, 1437157, 2874314, 5748628, 7185785, 11497256, 14371570, 28743140, 57486280]

約数ペア:

[(1, 57486280), (2, 28743140), (4, 14371570), (5, 11497256), (8, 7185785), (10, 5748628), (20, 2874314), (40, 1437157), (491, 117080), (982, 58540), (1964, 29270), (2455, 23416), (2927, 19640), (3928, 14635), (4910, 11708), (5854, 9820)]