16402540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10651}}^1$

素因数の和:10678

約数の個数: 48

約数和(自身を含む): 42948864

約数和(自身を除く): 26546324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10651, 21302, 42604, 53255, 74557, 106510, 117161, 149114, 213020, 234322, 298228, 372785, 468644, 585805, 745570, 820127, 1171610, 1491140, 1640254, 2343220, 3280508, 4100635, 8201270, 16402540]

約数ペア:

[(1, 16402540), (2, 8201270), (4, 4100635), (5, 3280508), (7, 2343220), (10, 1640254), (11, 1491140), (14, 1171610), (20, 820127), (22, 745570), (28, 585805), (35, 468644), (44, 372785), (55, 298228), (70, 234322), (77, 213020), (110, 149114), (140, 117161), (154, 106510), (220, 74557), (308, 53255), (385, 42604), (770, 21302), (1540, 10651)]