80804840

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11677}}^1$

素因数の和:11861

約数の個数: 32

約数和(自身を含む): 182877480

約数和(自身を除く): 102072640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 11677, 23354, 46708, 58385, 93416, 116770, 233540, 467080, 2020121, 4040242, 8080484, 10100605, 16160968, 20201210, 40402420, 80804840]

約数ペア:

[(1, 80804840), (2, 40402420), (4, 20201210), (5, 16160968), (8, 10100605), (10, 8080484), (20, 4040242), (40, 2020121), (173, 467080), (346, 233540), (692, 116770), (865, 93416), (1384, 58385), (1730, 46708), (3460, 23354), (6920, 11677)]