200412920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122203}}^1$

素因数の和:122255

約数の個数: 32

約数和(自身を含む): 461931120

約数和(自身を除く): 261518200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122203, 244406, 488812, 611015, 977624, 1222030, 2444060, 4888120, 5010323, 10020646, 20041292, 25051615, 40082584, 50103230, 100206460, 200412920]

約数ペア:

[(1, 200412920), (2, 100206460), (4, 50103230), (5, 40082584), (8, 25051615), (10, 20041292), (20, 10020646), (40, 5010323), (41, 4888120), (82, 2444060), (164, 1222030), (205, 977624), (328, 611015), (410, 488812), (820, 244406), (1640, 122203)]