27408440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7699}}^1$

素因数の和:7799

約数の個数: 32

約数和(自身を含む): 62370000

約数和(自身を除く): 34961560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7699, 15398, 30796, 38495, 61592, 76990, 153980, 307960, 685211, 1370422, 2740844, 3426055, 5481688, 6852110, 13704220, 27408440]

約数ペア:

[(1, 27408440), (2, 13704220), (4, 6852110), (5, 5481688), (8, 3426055), (10, 2740844), (20, 1370422), (40, 685211), (89, 307960), (178, 153980), (356, 76990), (445, 61592), (712, 38495), (890, 30796), (1780, 15398), (3560, 7699)]