40247140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 88216128

約数和(自身を除く): 47968988

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 883, 1060, 1766, 2279, 3532, 4415, 4558, 8830, 9116, 11395, 17660, 22790, 37969, 45580, 46799, 75938, 93598, 151876, 187196, 189845, 233995, 379690, 467990, 759380, 935980, 2012357, 4024714, 8049428, 10061785, 20123570, 40247140]

約数ペア:

[(1, 40247140), (2, 20123570), (4, 10061785), (5, 8049428), (10, 4024714), (20, 2012357), (43, 935980), (53, 759380), (86, 467990), (106, 379690), (172, 233995), (212, 189845), (215, 187196), (265, 151876), (430, 93598), (530, 75938), (860, 46799), (883, 45580), (1060, 37969), (1766, 22790), (2279, 17660), (3532, 11395), (4415, 9116), (4558, 8830)]