16788280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7919}}^1$

素因数の和:7983

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 21702920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7919, 15838, 31676, 39595, 63352, 79190, 158380, 316760, 419707, 839414, 1678828, 2098535, 3357656, 4197070, 8394140, 16788280]

約数ペア:

[(1, 16788280), (2, 8394140), (4, 4197070), (5, 3357656), (8, 2098535), (10, 1678828), (20, 839414), (40, 419707), (53, 316760), (106, 158380), (212, 79190), (265, 63352), (424, 39595), (530, 31676), (1060, 15838), (2120, 7919)]