80439856

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5167}}^1$

素因数の和:5321

約数の個数: 40

約数和(自身を含む): 179432960

約数和(自身を除く): 98993104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 5167, 7784, 10334, 15568, 20668, 36169, 41336, 72338, 82672, 144676, 289352, 578704, 718213, 1436426, 2872852, 5027491, 5745704, 10054982, 11491408, 20109964, 40219928, 80439856]

約数ペア:

[(1, 80439856), (2, 40219928), (4, 20109964), (7, 11491408), (8, 10054982), (14, 5745704), (16, 5027491), (28, 2872852), (56, 1436426), (112, 718213), (139, 578704), (278, 289352), (556, 144676), (973, 82672), (1112, 72338), (1946, 41336), (2224, 36169), (3892, 20668), (5167, 15568), (7784, 10334)]