55717280

素因数分解:

$2^5\times 5^1\times {\mathrm{479}}^1\times {\mathrm{727}}^1$

素因数の和:1221

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 76371040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 479, 727, 958, 1454, 1916, 2395, 2908, 3635, 3832, 4790, 5816, 7270, 7664, 9580, 11632, 14540, 15328, 19160, 23264, 29080, 38320, 58160, 76640, 116320, 348233, 696466, 1392932, 1741165, 2785864, 3482330, 5571728, 6964660, 11143456, 13929320, 27858640, 55717280]

約数ペア:

[(1, 55717280), (2, 27858640), (4, 13929320), (5, 11143456), (8, 6964660), (10, 5571728), (16, 3482330), (20, 2785864), (32, 1741165), (40, 1392932), (80, 696466), (160, 348233), (479, 116320), (727, 76640), (958, 58160), (1454, 38320), (1916, 29080), (2395, 23264), (2908, 19160), (3635, 15328), (3832, 14540), (4790, 11632), (5816, 9580), (7270, 7664)]