55411280

素因数分解:

$2^4\times 5^1\times {\mathrm{692641}}^1$

素因数の和:692654

約数の個数: 20

約数和(自身を含む): 128831412

約数和(自身を除く): 73420132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 692641, 1385282, 2770564, 3463205, 5541128, 6926410, 11082256, 13852820, 27705640, 55411280]

約数ペア:

[(1, 55411280), (2, 27705640), (4, 13852820), (5, 11082256), (8, 6926410), (10, 5541128), (16, 3463205), (20, 2770564), (40, 1385282), (80, 692641)]