55939480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19697}}^1$

素因数の和:19779

約数の個数: 32

約数和(自身を含む): 127643040

約数和(自身を除く): 71703560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19697, 39394, 78788, 98485, 157576, 196970, 393940, 787880, 1398487, 2796974, 5593948, 6992435, 11187896, 13984870, 27969740, 55939480]

約数ペア:

[(1, 55939480), (2, 27969740), (4, 13984870), (5, 11187896), (8, 6992435), (10, 5593948), (20, 2796974), (40, 1398487), (71, 787880), (142, 393940), (284, 196970), (355, 157576), (568, 98485), (710, 78788), (1420, 39394), (2840, 19697)]