22880120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6427}}^1$

素因数の和:6527

約数の個数: 32

約数和(自身を含む): 52066800

約数和(自身を除く): 29186680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6427, 12854, 25708, 32135, 51416, 64270, 128540, 257080, 572003, 1144006, 2288012, 2860015, 4576024, 5720030, 11440060, 22880120]

約数ペア:

[(1, 22880120), (2, 11440060), (4, 5720030), (5, 4576024), (8, 2860015), (10, 2288012), (20, 1144006), (40, 572003), (89, 257080), (178, 128540), (356, 64270), (445, 51416), (712, 32135), (890, 25708), (1780, 12854), (3560, 6427)]