16639840

素因数分解:

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

素因数の和:284

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 29083040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 83, 112, 140, 160, 166, 179, 224, 280, 332, 358, 415, 560, 581, 664, 716, 830, 895, 1120, 1162, 1253, 1328, 1432, 1660, 1790, 2324, 2506, 2656, 2864, 2905, 3320, 3580, 4648, 5012, 5728, 5810, 6265, 6640, 7160, 9296, 10024, 11620, 12530, 13280, 14320, 14857, 18592, 20048, 23240, 25060, 28640, 29714, 40096, 46480, 50120, 59428, 74285, 92960, 100240, 103999, 118856, 148570, 200480, 207998, 237712, 297140, 415996, 475424, 519995, 594280, 831992, 1039990, 1188560, 1663984, 2079980, 2377120, 3327968, 4159960, 8319920, 16639840]

約数ペア:

[(1, 16639840), (2, 8319920), (4, 4159960), (5, 3327968), (7, 2377120), (8, 2079980), (10, 1663984), (14, 1188560), (16, 1039990), (20, 831992), (28, 594280), (32, 519995), (35, 475424), (40, 415996), (56, 297140), (70, 237712), (80, 207998), (83, 200480), (112, 148570), (140, 118856), (160, 103999), (166, 100240), (179, 92960), (224, 74285), (280, 59428), (332, 50120), (358, 46480), (415, 40096), (560, 29714), (581, 28640), (664, 25060), (716, 23240), (830, 20048), (895, 18592), (1120, 14857), (1162, 14320), (1253, 13280), (1328, 12530), (1432, 11620), (1660, 10024), (1790, 9296), (2324, 7160), (2506, 6640), (2656, 6265), (2864, 5810), (2905, 5728), (3320, 5012), (3580, 4648)]