13304960

素因数分解:

$2^7\times 5^1\times {\mathrm{20789}}^1$

素因数の和:20808

約数の個数: 32

約数和(自身を含む): 31808700

約数和(自身を除く): 18503740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20789, 41578, 83156, 103945, 166312, 207890, 332624, 415780, 665248, 831560, 1330496, 1663120, 2660992, 3326240, 6652480, 13304960]

約数ペア:

[(1, 13304960), (2, 6652480), (4, 3326240), (5, 2660992), (8, 1663120), (10, 1330496), (16, 831560), (20, 665248), (32, 415780), (40, 332624), (64, 207890), (80, 166312), (128, 103945), (160, 83156), (320, 41578), (640, 20789)]