26380760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 68843520

約数和(自身を除く): 42462760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1327, 1420, 1988, 2485, 2654, 2840, 3976, 4970, 5308, 6635, 9289, 9940, 10616, 13270, 18578, 19880, 26540, 37156, 46445, 53080, 74312, 92890, 94217, 185780, 188434, 371560, 376868, 471085, 659519, 753736, 942170, 1319038, 1884340, 2638076, 3297595, 3768680, 5276152, 6595190, 13190380, 26380760]

約数ペア:

[(1, 26380760), (2, 13190380), (4, 6595190), (5, 5276152), (7, 3768680), (8, 3297595), (10, 2638076), (14, 1884340), (20, 1319038), (28, 942170), (35, 753736), (40, 659519), (56, 471085), (70, 376868), (71, 371560), (140, 188434), (142, 185780), (280, 94217), (284, 92890), (355, 74312), (497, 53080), (568, 46445), (710, 37156), (994, 26540), (1327, 19880), (1420, 18578), (1988, 13270), (2485, 10616), (2654, 9940), (2840, 9289), (3976, 6635), (4970, 5308)]