5340400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 90

約数和(自身を含む): 14069040

約数和(自身を除く): 8728640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 79, 80, 100, 104, 130, 158, 169, 200, 208, 260, 316, 325, 338, 395, 400, 520, 632, 650, 676, 790, 845, 1027, 1040, 1264, 1300, 1352, 1580, 1690, 1975, 2054, 2600, 2704, 3160, 3380, 3950, 4108, 4225, 5135, 5200, 6320, 6760, 7900, 8216, 8450, 10270, 13351, 13520, 15800, 16432, 16900, 20540, 25675, 26702, 31600, 33800, 41080, 51350, 53404, 66755, 67600, 82160, 102700, 106808, 133510, 205400, 213616, 267020, 333775, 410800, 534040, 667550, 1068080, 1335100, 2670200, 5340400]

約数ペア:

[(1, 5340400), (2, 2670200), (4, 1335100), (5, 1068080), (8, 667550), (10, 534040), (13, 410800), (16, 333775), (20, 267020), (25, 213616), (26, 205400), (40, 133510), (50, 106808), (52, 102700), (65, 82160), (79, 67600), (80, 66755), (100, 53404), (104, 51350), (130, 41080), (158, 33800), (169, 31600), (200, 26702), (208, 25675), (260, 20540), (316, 16900), (325, 16432), (338, 15800), (395, 13520), (400, 13351), (520, 10270), (632, 8450), (650, 8216), (676, 7900), (790, 6760), (845, 6320), (1027, 5200), (1040, 5135), (1264, 4225), (1300, 4108), (1352, 3950), (1580, 3380), (1690, 3160), (1975, 2704), (2054, 2600)]