80611216

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8087}}^1$

素因数の和:8191

約数の個数: 40

約数和(自身を含む): 180524160

約数和(自身を除く): 99912944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 8087, 9968, 16174, 32348, 56609, 64696, 113218, 129392, 226436, 452872, 719743, 905744, 1439486, 2878972, 5038201, 5757944, 10076402, 11515888, 20152804, 40305608, 80611216]

約数ペア:

[(1, 80611216), (2, 40305608), (4, 20152804), (7, 11515888), (8, 10076402), (14, 5757944), (16, 5038201), (28, 2878972), (56, 1439486), (89, 905744), (112, 719743), (178, 452872), (356, 226436), (623, 129392), (712, 113218), (1246, 64696), (1424, 56609), (2492, 32348), (4984, 16174), (8087, 9968)]