39729580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 51716180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 419, 431, 838, 862, 1676, 1724, 2095, 2155, 4190, 4310, 4609, 4741, 8380, 8620, 9218, 9482, 18436, 18964, 23045, 23705, 46090, 47410, 92180, 94820, 180589, 361178, 722356, 902945, 1805890, 1986479, 3611780, 3972958, 7945916, 9932395, 19864790, 39729580]

約数ペア:

[(1, 39729580), (2, 19864790), (4, 9932395), (5, 7945916), (10, 3972958), (11, 3611780), (20, 1986479), (22, 1805890), (44, 902945), (55, 722356), (110, 361178), (220, 180589), (419, 94820), (431, 92180), (838, 47410), (862, 46090), (1676, 23705), (1724, 23045), (2095, 18964), (2155, 18436), (4190, 9482), (4310, 9218), (4609, 8620), (4741, 8380)]