69139120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 167051808

約数和(自身を除く): 97912688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 107, 164, 197, 205, 214, 328, 394, 410, 428, 535, 656, 788, 820, 856, 985, 1070, 1576, 1640, 1712, 1970, 2140, 3152, 3280, 3940, 4280, 4387, 7880, 8077, 8560, 8774, 15760, 16154, 17548, 21079, 21935, 32308, 35096, 40385, 42158, 43870, 64616, 70192, 80770, 84316, 87740, 105395, 129232, 161540, 168632, 175480, 210790, 323080, 337264, 350960, 421580, 646160, 843160, 864239, 1686320, 1728478, 3456956, 4321195, 6913912, 8642390, 13827824, 17284780, 34569560, 69139120]

約数ペア:

[(1, 69139120), (2, 34569560), (4, 17284780), (5, 13827824), (8, 8642390), (10, 6913912), (16, 4321195), (20, 3456956), (40, 1728478), (41, 1686320), (80, 864239), (82, 843160), (107, 646160), (164, 421580), (197, 350960), (205, 337264), (214, 323080), (328, 210790), (394, 175480), (410, 168632), (428, 161540), (535, 129232), (656, 105395), (788, 87740), (820, 84316), (856, 80770), (985, 70192), (1070, 64616), (1576, 43870), (1640, 42158), (1712, 40385), (1970, 35096), (2140, 32308), (3152, 21935), (3280, 21079), (3940, 17548), (4280, 16154), (4387, 15760), (7880, 8774), (8077, 8560)]