16136780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 37890720

約数和(自身を除く): 21753940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1789, 1804, 2255, 3578, 4510, 7156, 8945, 9020, 17890, 19679, 35780, 39358, 73349, 78716, 98395, 146698, 196790, 293396, 366745, 393580, 733490, 806839, 1466980, 1613678, 3227356, 4034195, 8068390, 16136780]

約数ペア:

[(1, 16136780), (2, 8068390), (4, 4034195), (5, 3227356), (10, 1613678), (11, 1466980), (20, 806839), (22, 733490), (41, 393580), (44, 366745), (55, 293396), (82, 196790), (110, 146698), (164, 98395), (205, 78716), (220, 73349), (410, 39358), (451, 35780), (820, 19679), (902, 17890), (1789, 9020), (1804, 8945), (2255, 7156), (3578, 4510)]