12431440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 33569280

約数和(自身を除く): 21137840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 281, 316, 395, 553, 560, 562, 632, 790, 1106, 1124, 1264, 1405, 1580, 1967, 2212, 2248, 2765, 2810, 3160, 3934, 4424, 4496, 5530, 5620, 6320, 7868, 8848, 9835, 11060, 11240, 15736, 19670, 22120, 22199, 22480, 31472, 39340, 44240, 44398, 78680, 88796, 110995, 155393, 157360, 177592, 221990, 310786, 355184, 443980, 621572, 776965, 887960, 1243144, 1553930, 1775920, 2486288, 3107860, 6215720, 12431440]

約数ペア:

[(1, 12431440), (2, 6215720), (4, 3107860), (5, 2486288), (7, 1775920), (8, 1553930), (10, 1243144), (14, 887960), (16, 776965), (20, 621572), (28, 443980), (35, 355184), (40, 310786), (56, 221990), (70, 177592), (79, 157360), (80, 155393), (112, 110995), (140, 88796), (158, 78680), (280, 44398), (281, 44240), (316, 39340), (395, 31472), (553, 22480), (560, 22199), (562, 22120), (632, 19670), (790, 15736), (1106, 11240), (1124, 11060), (1264, 9835), (1405, 8848), (1580, 7868), (1967, 6320), (2212, 5620), (2248, 5530), (2765, 4496), (2810, 4424), (3160, 3934)]