13204040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3709}}^1$

素因数の和:3809

約数の個数: 32

約数和(自身を含む): 30051000

約数和(自身を除く): 16846960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3709, 7418, 14836, 18545, 29672, 37090, 74180, 148360, 330101, 660202, 1320404, 1650505, 2640808, 3301010, 6602020, 13204040]

約数ペア:

[(1, 13204040), (2, 6602020), (4, 3301010), (5, 2640808), (8, 1650505), (10, 1320404), (20, 660202), (40, 330101), (89, 148360), (178, 74180), (356, 37090), (445, 29672), (712, 18545), (890, 14836), (1780, 7418), (3560, 3709)]