2097920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 5518800

約数和(自身を除く): 3420880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 149, 160, 176, 220, 256, 298, 320, 352, 440, 596, 640, 704, 745, 880, 1192, 1280, 1408, 1490, 1639, 1760, 2384, 2816, 2980, 3278, 3520, 4768, 5960, 6556, 7040, 8195, 9536, 11920, 13112, 14080, 16390, 19072, 23840, 26224, 32780, 38144, 47680, 52448, 65560, 95360, 104896, 131120, 190720, 209792, 262240, 419584, 524480, 1048960, 2097920]

約数ペア:

[(1, 2097920), (2, 1048960), (4, 524480), (5, 419584), (8, 262240), (10, 209792), (11, 190720), (16, 131120), (20, 104896), (22, 95360), (32, 65560), (40, 52448), (44, 47680), (55, 38144), (64, 32780), (80, 26224), (88, 23840), (110, 19072), (128, 16390), (149, 14080), (160, 13112), (176, 11920), (220, 9536), (256, 8195), (298, 7040), (320, 6556), (352, 5960), (440, 4768), (596, 3520), (640, 3278), (704, 2980), (745, 2816), (880, 2384), (1192, 1760), (1280, 1639), (1408, 1490)]