145004080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2081}}^1$

素因数の和:2174

約数の個数: 80

約数和(自身を含む): 368663904

約数和(自身を除く): 223659824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2081, 2680, 3484, 4162, 4355, 5360, 6968, 8324, 8710, 10405, 13936, 16648, 17420, 20810, 27053, 33296, 34840, 41620, 54106, 69680, 83240, 108212, 135265, 139427, 166480, 216424, 270530, 278854, 432848, 541060, 557708, 697135, 1082120, 1115416, 1394270, 1812551, 2164240, 2230832, 2788540, 3625102, 5577080, 7250204, 9062755, 11154160, 14500408, 18125510, 29000816, 36251020, 72502040, 145004080]

約数ペア:

[(1, 145004080), (2, 72502040), (4, 36251020), (5, 29000816), (8, 18125510), (10, 14500408), (13, 11154160), (16, 9062755), (20, 7250204), (26, 5577080), (40, 3625102), (52, 2788540), (65, 2230832), (67, 2164240), (80, 1812551), (104, 1394270), (130, 1115416), (134, 1082120), (208, 697135), (260, 557708), (268, 541060), (335, 432848), (520, 278854), (536, 270530), (670, 216424), (871, 166480), (1040, 139427), (1072, 135265), (1340, 108212), (1742, 83240), (2081, 69680), (2680, 54106), (3484, 41620), (4162, 34840), (4355, 33296), (5360, 27053), (6968, 20810), (8324, 17420), (8710, 16648), (10405, 13936)]