56213840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 137991168

約数和(自身を除く): 81777328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 137, 184, 223, 230, 274, 368, 446, 460, 548, 685, 892, 920, 1096, 1115, 1370, 1784, 1840, 2192, 2230, 2740, 3151, 3568, 4460, 5129, 5480, 6302, 8920, 10258, 10960, 12604, 15755, 17840, 20516, 25208, 25645, 30551, 31510, 41032, 50416, 51290, 61102, 63020, 82064, 102580, 122204, 126040, 152755, 205160, 244408, 252080, 305510, 410320, 488816, 611020, 702673, 1222040, 1405346, 2444080, 2810692, 3513365, 5621384, 7026730, 11242768, 14053460, 28106920, 56213840]

約数ペア:

[(1, 56213840), (2, 28106920), (4, 14053460), (5, 11242768), (8, 7026730), (10, 5621384), (16, 3513365), (20, 2810692), (23, 2444080), (40, 1405346), (46, 1222040), (80, 702673), (92, 611020), (115, 488816), (137, 410320), (184, 305510), (223, 252080), (230, 244408), (274, 205160), (368, 152755), (446, 126040), (460, 122204), (548, 102580), (685, 82064), (892, 63020), (920, 61102), (1096, 51290), (1115, 50416), (1370, 41032), (1784, 31510), (1840, 30551), (2192, 25645), (2230, 25208), (2740, 20516), (3151, 17840), (3568, 15755), (4460, 12604), (5129, 10960), (5480, 10258), (6302, 8920)]