47115440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 116659200

約数和(自身を除く): 69543760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 223, 278, 304, 380, 446, 556, 695, 760, 892, 1112, 1115, 1390, 1520, 1784, 2224, 2230, 2641, 2780, 3568, 4237, 4460, 5282, 5560, 8474, 8920, 10564, 11120, 13205, 16948, 17840, 21128, 21185, 26410, 30997, 33896, 42256, 42370, 52820, 61994, 67792, 84740, 105640, 123988, 154985, 169480, 211280, 247976, 309970, 338960, 495952, 588943, 619940, 1177886, 1239880, 2355772, 2479760, 2944715, 4711544, 5889430, 9423088, 11778860, 23557720, 47115440]

約数ペア:

[(1, 47115440), (2, 23557720), (4, 11778860), (5, 9423088), (8, 5889430), (10, 4711544), (16, 2944715), (19, 2479760), (20, 2355772), (38, 1239880), (40, 1177886), (76, 619940), (80, 588943), (95, 495952), (139, 338960), (152, 309970), (190, 247976), (223, 211280), (278, 169480), (304, 154985), (380, 123988), (446, 105640), (556, 84740), (695, 67792), (760, 61994), (892, 52820), (1112, 42370), (1115, 42256), (1390, 33896), (1520, 30997), (1784, 26410), (2224, 21185), (2230, 21128), (2641, 17840), (2780, 16948), (3568, 13205), (4237, 11120), (4460, 10564), (5282, 8920), (5560, 8474)]