16512580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 23646140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1493, 1580, 2212, 2765, 2986, 5530, 5972, 7465, 10451, 11060, 14930, 20902, 29860, 41804, 52255, 104510, 117947, 209020, 235894, 471788, 589735, 825629, 1179470, 1651258, 2358940, 3302516, 4128145, 8256290, 16512580]

約数ペア:

[(1, 16512580), (2, 8256290), (4, 4128145), (5, 3302516), (7, 2358940), (10, 1651258), (14, 1179470), (20, 825629), (28, 589735), (35, 471788), (70, 235894), (79, 209020), (140, 117947), (158, 104510), (316, 52255), (395, 41804), (553, 29860), (790, 20902), (1106, 14930), (1493, 11060), (1580, 10451), (2212, 7465), (2765, 5972), (2986, 5530)]