16937920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1349

約数の個数: 56

約数和(自身を含む): 41349168

約数和(自身を除く): 24411248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1291, 1312, 1640, 2582, 2624, 3280, 5164, 6455, 6560, 10328, 12910, 13120, 20656, 25820, 41312, 51640, 52931, 82624, 103280, 105862, 206560, 211724, 264655, 413120, 423448, 529310, 846896, 1058620, 1693792, 2117240, 3387584, 4234480, 8468960, 16937920]

約数ペア:

[(1, 16937920), (2, 8468960), (4, 4234480), (5, 3387584), (8, 2117240), (10, 1693792), (16, 1058620), (20, 846896), (32, 529310), (40, 423448), (41, 413120), (64, 264655), (80, 211724), (82, 206560), (160, 105862), (164, 103280), (205, 82624), (320, 52931), (328, 51640), (410, 41312), (656, 25820), (820, 20656), (1291, 13120), (1312, 12910), (1640, 10328), (2582, 6560), (2624, 6455), (3280, 5164)]