16343240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 38761200

約数和(自身を除く): 22417960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 193, 232, 290, 292, 365, 386, 580, 584, 730, 772, 965, 1160, 1460, 1544, 1930, 2117, 2920, 3860, 4234, 5597, 7720, 8468, 10585, 11194, 14089, 16936, 21170, 22388, 27985, 28178, 42340, 44776, 55970, 56356, 70445, 84680, 111940, 112712, 140890, 223880, 281780, 408581, 563560, 817162, 1634324, 2042905, 3268648, 4085810, 8171620, 16343240]

約数ペア:

[(1, 16343240), (2, 8171620), (4, 4085810), (5, 3268648), (8, 2042905), (10, 1634324), (20, 817162), (29, 563560), (40, 408581), (58, 281780), (73, 223880), (116, 140890), (145, 112712), (146, 111940), (193, 84680), (232, 70445), (290, 56356), (292, 55970), (365, 44776), (386, 42340), (580, 28178), (584, 27985), (730, 22388), (772, 21170), (965, 16936), (1160, 14089), (1460, 11194), (1544, 10585), (1930, 8468), (2117, 7720), (2920, 5597), (3860, 4234)]