67600880

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1721}}^1$

素因数の和:2225

約数の個数: 40

約数和(自身を含む): 157583664

約数和(自身を除く): 89982784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1721, 1964, 2455, 3442, 3928, 4910, 6884, 7856, 8605, 9820, 13768, 17210, 19640, 27536, 34420, 39280, 68840, 137680, 845011, 1690022, 3380044, 4225055, 6760088, 8450110, 13520176, 16900220, 33800440, 67600880]

約数ペア:

[(1, 67600880), (2, 33800440), (4, 16900220), (5, 13520176), (8, 8450110), (10, 6760088), (16, 4225055), (20, 3380044), (40, 1690022), (80, 845011), (491, 137680), (982, 68840), (1721, 39280), (1964, 34420), (2455, 27536), (3442, 19640), (3928, 17210), (4910, 13768), (6884, 9820), (7856, 8605)]