26384653840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{26591}}^1$

素因数の和:26840

約数の個数: 80

約数和(自身を含む): 62518855680

約数和(自身を除く): 36134201840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 157, 158, 314, 316, 395, 628, 632, 785, 790, 1256, 1264, 1570, 1580, 2512, 3140, 3160, 6280, 6320, 12403, 12560, 24806, 26591, 49612, 53182, 62015, 99224, 106364, 124030, 132955, 198448, 212728, 248060, 265910, 425456, 496120, 531820, 992240, 1063640, 2100689, 2127280, 4174787, 4201378, 8349574, 8402756, 10503445, 16699148, 16805512, 20873935, 21006890, 33398296, 33611024, 41747870, 42013780, 66796592, 83495740, 84027560, 166991480, 168055120, 329808173, 333982960, 659616346, 1319232692, 1649040865, 2638465384, 3298081730, 5276930768, 6596163460, 13192326920, 26384653840]

約数ペア:

[(1, 26384653840), (2, 13192326920), (4, 6596163460), (5, 5276930768), (8, 3298081730), (10, 2638465384), (16, 1649040865), (20, 1319232692), (40, 659616346), (79, 333982960), (80, 329808173), (157, 168055120), (158, 166991480), (314, 84027560), (316, 83495740), (395, 66796592), (628, 42013780), (632, 41747870), (785, 33611024), (790, 33398296), (1256, 21006890), (1264, 20873935), (1570, 16805512), (1580, 16699148), (2512, 10503445), (3140, 8402756), (3160, 8349574), (6280, 4201378), (6320, 4174787), (12403, 2127280), (12560, 2100689), (24806, 1063640), (26591, 992240), (49612, 531820), (53182, 496120), (62015, 425456), (99224, 265910), (106364, 248060), (124030, 212728), (132955, 198448)]