39715860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661931}}^1$

素因数の和:661943

約数の個数: 24

約数和(自身を含む): 111204576

約数和(自身を除く): 71488716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661931, 1323862, 1985793, 2647724, 3309655, 3971586, 6619310, 7943172, 9928965, 13238620, 19857930, 39715860]

約数ペア:

[(1, 39715860), (2, 19857930), (3, 13238620), (4, 9928965), (5, 7943172), (6, 6619310), (10, 3971586), (12, 3309655), (15, 2647724), (20, 1985793), (30, 1323862), (60, 661931)]