18116800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 126

約数和(自身を含む): 48992028

約数和(自身を除く): 30875228

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 67, 80, 100, 104, 130, 134, 160, 169, 200, 208, 260, 268, 320, 325, 335, 338, 400, 416, 520, 536, 650, 670, 676, 800, 832, 845, 871, 1040, 1072, 1300, 1340, 1352, 1600, 1675, 1690, 1742, 2080, 2144, 2600, 2680, 2704, 3350, 3380, 3484, 4160, 4225, 4288, 4355, 5200, 5360, 5408, 6700, 6760, 6968, 8450, 8710, 10400, 10720, 10816, 11323, 13400, 13520, 13936, 16900, 17420, 20800, 21440, 21775, 22646, 26800, 27040, 27872, 33800, 34840, 43550, 45292, 53600, 54080, 55744, 56615, 67600, 69680, 87100, 90584, 107200, 113230, 135200, 139360, 174200, 181168, 226460, 270400, 278720, 283075, 348400, 362336, 452920, 566150, 696800, 724672, 905840, 1132300, 1393600, 1811680, 2264600, 3623360, 4529200, 9058400, 18116800]

約数ペア:

[(1, 18116800), (2, 9058400), (4, 4529200), (5, 3623360), (8, 2264600), (10, 1811680), (13, 1393600), (16, 1132300), (20, 905840), (25, 724672), (26, 696800), (32, 566150), (40, 452920), (50, 362336), (52, 348400), (64, 283075), (65, 278720), (67, 270400), (80, 226460), (100, 181168), (104, 174200), (130, 139360), (134, 135200), (160, 113230), (169, 107200), (200, 90584), (208, 87100), (260, 69680), (268, 67600), (320, 56615), (325, 55744), (335, 54080), (338, 53600), (400, 45292), (416, 43550), (520, 34840), (536, 33800), (650, 27872), (670, 27040), (676, 26800), (800, 22646), (832, 21775), (845, 21440), (871, 20800), (1040, 17420), (1072, 16900), (1300, 13936), (1340, 13520), (1352, 13400), (1600, 11323), (1675, 10816), (1690, 10720), (1742, 10400), (2080, 8710), (2144, 8450), (2600, 6968), (2680, 6760), (2704, 6700), (3350, 5408), (3380, 5360), (3484, 5200), (4160, 4355), (4225, 4288)]