4201220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2659}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 8937600

約数和(自身を除く): 4736380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2659, 5318, 10636, 13295, 26590, 53180, 210061, 420122, 840244, 1050305, 2100610, 4201220]

約数ペア:

[(1, 4201220), (2, 2100610), (4, 1050305), (5, 840244), (10, 420122), (20, 210061), (79, 53180), (158, 26590), (316, 13295), (395, 10636), (790, 5318), (1580, 2659)]