85979920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1832

約数の個数: 80

約数和(自身を含む): 219985920

約数和(自身を除く): 134006000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1759, 1880, 2444, 3055, 3518, 3760, 4888, 6110, 7036, 8795, 9776, 12220, 14072, 17590, 22867, 24440, 28144, 35180, 45734, 48880, 70360, 82673, 91468, 114335, 140720, 165346, 182936, 228670, 330692, 365872, 413365, 457340, 661384, 826730, 914680, 1074749, 1322768, 1653460, 1829360, 2149498, 3306920, 4298996, 5373745, 6613840, 8597992, 10747490, 17195984, 21494980, 42989960, 85979920]

約数ペア:

[(1, 85979920), (2, 42989960), (4, 21494980), (5, 17195984), (8, 10747490), (10, 8597992), (13, 6613840), (16, 5373745), (20, 4298996), (26, 3306920), (40, 2149498), (47, 1829360), (52, 1653460), (65, 1322768), (80, 1074749), (94, 914680), (104, 826730), (130, 661384), (188, 457340), (208, 413365), (235, 365872), (260, 330692), (376, 228670), (470, 182936), (520, 165346), (611, 140720), (752, 114335), (940, 91468), (1040, 82673), (1222, 70360), (1759, 48880), (1880, 45734), (2444, 35180), (3055, 28144), (3518, 24440), (3760, 22867), (4888, 17590), (6110, 14072), (7036, 12220), (8795, 9776)]