12719920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 31997952

約数和(自身を除く): 19278032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 223, 230, 248, 310, 368, 446, 460, 496, 620, 713, 892, 920, 1115, 1240, 1426, 1784, 1840, 2230, 2480, 2852, 3565, 3568, 4460, 5129, 5704, 6913, 7130, 8920, 10258, 11408, 13826, 14260, 17840, 20516, 25645, 27652, 28520, 34565, 41032, 51290, 55304, 57040, 69130, 82064, 102580, 110608, 138260, 158999, 205160, 276520, 317998, 410320, 553040, 635996, 794995, 1271992, 1589990, 2543984, 3179980, 6359960, 12719920]

約数ペア:

[(1, 12719920), (2, 6359960), (4, 3179980), (5, 2543984), (8, 1589990), (10, 1271992), (16, 794995), (20, 635996), (23, 553040), (31, 410320), (40, 317998), (46, 276520), (62, 205160), (80, 158999), (92, 138260), (115, 110608), (124, 102580), (155, 82064), (184, 69130), (223, 57040), (230, 55304), (248, 51290), (310, 41032), (368, 34565), (446, 28520), (460, 27652), (496, 25645), (620, 20516), (713, 17840), (892, 14260), (920, 13826), (1115, 11408), (1240, 10258), (1426, 8920), (1784, 7130), (1840, 6913), (2230, 5704), (2480, 5129), (2852, 4460), (3565, 3568)]