80020048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 169632000

約数和(自身を除く): 89611952

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 59, 74, 79, 116, 118, 148, 158, 232, 236, 296, 316, 464, 472, 592, 632, 944, 1073, 1264, 1711, 2146, 2183, 2291, 2923, 3422, 4292, 4366, 4582, 4661, 5846, 6844, 8584, 8732, 9164, 9322, 11692, 13688, 17168, 17464, 18328, 18644, 23384, 27376, 34928, 36656, 37288, 46768, 63307, 74576, 84767, 126614, 135169, 169534, 172457, 253228, 270338, 339068, 344914, 506456, 540676, 678136, 689828, 1012912, 1081352, 1356272, 1379656, 2162704, 2759312, 5001253, 10002506, 20005012, 40010024, 80020048]

約数ペア:

[(1, 80020048), (2, 40010024), (4, 20005012), (8, 10002506), (16, 5001253), (29, 2759312), (37, 2162704), (58, 1379656), (59, 1356272), (74, 1081352), (79, 1012912), (116, 689828), (118, 678136), (148, 540676), (158, 506456), (232, 344914), (236, 339068), (296, 270338), (316, 253228), (464, 172457), (472, 169534), (592, 135169), (632, 126614), (944, 84767), (1073, 74576), (1264, 63307), (1711, 46768), (2146, 37288), (2183, 36656), (2291, 34928), (2923, 27376), (3422, 23384), (4292, 18644), (4366, 18328), (4582, 17464), (4661, 17168), (5846, 13688), (6844, 11692), (8584, 9322), (8732, 9164)]