49980620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 108773280

約数和(自身を除く): 58792660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 653, 860, 890, 1306, 1780, 2612, 3265, 3827, 6530, 7654, 13060, 15308, 19135, 28079, 38270, 56158, 58117, 76540, 112316, 116234, 140395, 232468, 280790, 290585, 561580, 581170, 1162340, 2499031, 4998062, 9996124, 12495155, 24990310, 49980620]

約数ペア:

[(1, 49980620), (2, 24990310), (4, 12495155), (5, 9996124), (10, 4998062), (20, 2499031), (43, 1162340), (86, 581170), (89, 561580), (172, 290585), (178, 280790), (215, 232468), (356, 140395), (430, 116234), (445, 112316), (653, 76540), (860, 58117), (890, 56158), (1306, 38270), (1780, 28079), (2612, 19135), (3265, 15308), (3827, 13060), (6530, 7654)]