20154127520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{4327}}^1$

素因数の和:5062

約数の個数: 96

約数和(自身を含む): 48804674688

約数和(自身を除く): 28650547168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 677, 688, 860, 1354, 1376, 1720, 2708, 3385, 3440, 4327, 5416, 6770, 6880, 8654, 10832, 13540, 17308, 21635, 21664, 27080, 29111, 34616, 43270, 54160, 58222, 69232, 86540, 108320, 116444, 138464, 145555, 173080, 186061, 232888, 291110, 346160, 372122, 465776, 582220, 692320, 744244, 930305, 931552, 1164440, 1488488, 1860610, 2328880, 2929379, 2976976, 3721220, 4657760, 5858758, 5953952, 7442440, 11717516, 14646895, 14884880, 23435032, 29293790, 29769760, 46870064, 58587580, 93740128, 117175160, 125963297, 234350320, 251926594, 468700640, 503853188, 629816485, 1007706376, 1259632970, 2015412752, 2519265940, 4030825504, 5038531880, 10077063760, 20154127520]

約数ペア:

[(1, 20154127520), (2, 10077063760), (4, 5038531880), (5, 4030825504), (8, 2519265940), (10, 2015412752), (16, 1259632970), (20, 1007706376), (32, 629816485), (40, 503853188), (43, 468700640), (80, 251926594), (86, 234350320), (160, 125963297), (172, 117175160), (215, 93740128), (344, 58587580), (430, 46870064), (677, 29769760), (688, 29293790), (860, 23435032), (1354, 14884880), (1376, 14646895), (1720, 11717516), (2708, 7442440), (3385, 5953952), (3440, 5858758), (4327, 4657760), (5416, 3721220), (6770, 2976976), (6880, 2929379), (8654, 2328880), (10832, 1860610), (13540, 1488488), (17308, 1164440), (21635, 931552), (21664, 930305), (27080, 744244), (29111, 692320), (34616, 582220), (43270, 465776), (54160, 372122), (58222, 346160), (69232, 291110), (86540, 232888), (108320, 186061), (116444, 173080), (138464, 145555)]