8319920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 14178640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 179, 280, 332, 358, 415, 560, 581, 664, 716, 830, 895, 1162, 1253, 1328, 1432, 1660, 1790, 2324, 2506, 2864, 2905, 3320, 3580, 4648, 5012, 5810, 6265, 6640, 7160, 9296, 10024, 11620, 12530, 14320, 14857, 20048, 23240, 25060, 29714, 46480, 50120, 59428, 74285, 100240, 103999, 118856, 148570, 207998, 237712, 297140, 415996, 519995, 594280, 831992, 1039990, 1188560, 1663984, 2079980, 4159960, 8319920]

約数ペア:

[(1, 8319920), (2, 4159960), (4, 2079980), (5, 1663984), (7, 1188560), (8, 1039990), (10, 831992), (14, 594280), (16, 519995), (20, 415996), (28, 297140), (35, 237712), (40, 207998), (56, 148570), (70, 118856), (80, 103999), (83, 100240), (112, 74285), (140, 59428), (166, 50120), (179, 46480), (280, 29714), (332, 25060), (358, 23240), (415, 20048), (560, 14857), (581, 14320), (664, 12530), (716, 11620), (830, 10024), (895, 9296), (1162, 7160), (1253, 6640), (1328, 6265), (1432, 5810), (1660, 5012), (1790, 4648), (2324, 3580), (2506, 3320), (2864, 2905)]