49948580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 115758720

約数和(自身を除く): 65810140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2551, 3916, 4895, 5102, 9790, 10204, 12755, 19580, 25510, 28061, 51020, 56122, 112244, 140305, 227039, 280610, 454078, 561220, 908156, 1135195, 2270390, 2497429, 4540780, 4994858, 9989716, 12487145, 24974290, 49948580]

約数ペア:

[(1, 49948580), (2, 24974290), (4, 12487145), (5, 9989716), (10, 4994858), (11, 4540780), (20, 2497429), (22, 2270390), (44, 1135195), (55, 908156), (89, 561220), (110, 454078), (178, 280610), (220, 227039), (356, 140305), (445, 112244), (890, 56122), (979, 51020), (1780, 28061), (1958, 25510), (2551, 19580), (3916, 12755), (4895, 10204), (5102, 9790)]