65857880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1237}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 163118880

約数和(自身を除く): 97261000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1237, 1331, 2420, 2474, 2662, 4840, 4948, 5324, 6185, 6655, 9896, 10648, 12370, 13310, 13607, 24740, 26620, 27214, 49480, 53240, 54428, 68035, 108856, 136070, 149677, 272140, 299354, 544280, 598708, 748385, 1197416, 1496770, 1646447, 2993540, 3292894, 5987080, 6585788, 8232235, 13171576, 16464470, 32928940, 65857880]

約数ペア:

[(1, 65857880), (2, 32928940), (4, 16464470), (5, 13171576), (8, 8232235), (10, 6585788), (11, 5987080), (20, 3292894), (22, 2993540), (40, 1646447), (44, 1496770), (55, 1197416), (88, 748385), (110, 598708), (121, 544280), (220, 299354), (242, 272140), (440, 149677), (484, 136070), (605, 108856), (968, 68035), (1210, 54428), (1237, 53240), (1331, 49480), (2420, 27214), (2474, 26620), (2662, 24740), (4840, 13607), (4948, 13310), (5324, 12370), (6185, 10648), (6655, 9896)]