39901980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1543}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 112057344

約数和(自身を除く): 72155364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 862, 1293, 1543, 1724, 2155, 2586, 3086, 4310, 4629, 5172, 6172, 6465, 7715, 8620, 9258, 12930, 15430, 18516, 23145, 25860, 30860, 46290, 92580, 665033, 1330066, 1995099, 2660132, 3325165, 3990198, 6650330, 7980396, 9975495, 13300660, 19950990, 39901980]

約数ペア:

[(1, 39901980), (2, 19950990), (3, 13300660), (4, 9975495), (5, 7980396), (6, 6650330), (10, 3990198), (12, 3325165), (15, 2660132), (20, 1995099), (30, 1330066), (60, 665033), (431, 92580), (862, 46290), (1293, 30860), (1543, 25860), (1724, 23145), (2155, 18516), (2586, 15430), (3086, 12930), (4310, 9258), (4629, 8620), (5172, 7715), (6172, 6465)]