2117240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 4883760

約数和(自身を除く): 2766520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1291, 1640, 2582, 5164, 6455, 10328, 12910, 25820, 51640, 52931, 105862, 211724, 264655, 423448, 529310, 1058620, 2117240]

約数ペア:

[(1, 2117240), (2, 1058620), (4, 529310), (5, 423448), (8, 264655), (10, 211724), (20, 105862), (40, 52931), (41, 51640), (82, 25820), (164, 12910), (205, 10328), (328, 6455), (410, 5164), (820, 2582), (1291, 1640)]