69160120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19427}}^1$

素因数の和:19527

約数の個数: 32

約数和(自身を含む): 157366800

約数和(自身を除く): 88206680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19427, 38854, 77708, 97135, 155416, 194270, 388540, 777080, 1729003, 3458006, 6916012, 8645015, 13832024, 17290030, 34580060, 69160120]

約数ペア:

[(1, 69160120), (2, 34580060), (4, 17290030), (5, 13832024), (8, 8645015), (10, 6916012), (20, 3458006), (40, 1729003), (89, 777080), (178, 388540), (356, 194270), (445, 155416), (712, 97135), (890, 77708), (1780, 38854), (3560, 19427)]