65506520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 153770400

約数和(自身を除く): 88263880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 677, 820, 1180, 1354, 1640, 2360, 2419, 2708, 3385, 4838, 5416, 6770, 9676, 12095, 13540, 19352, 24190, 27080, 27757, 39943, 48380, 55514, 79886, 96760, 111028, 138785, 159772, 199715, 222056, 277570, 319544, 399430, 555140, 798860, 1110280, 1597720, 1637663, 3275326, 6550652, 8188315, 13101304, 16376630, 32753260, 65506520]

約数ペア:

[(1, 65506520), (2, 32753260), (4, 16376630), (5, 13101304), (8, 8188315), (10, 6550652), (20, 3275326), (40, 1637663), (41, 1597720), (59, 1110280), (82, 798860), (118, 555140), (164, 399430), (205, 319544), (236, 277570), (295, 222056), (328, 199715), (410, 159772), (472, 138785), (590, 111028), (677, 96760), (820, 79886), (1180, 55514), (1354, 48380), (1640, 39943), (2360, 27757), (2419, 27080), (2708, 24190), (3385, 19352), (4838, 13540), (5416, 12095), (6770, 9676)]