80720384

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4316

約数の個数: 40

約数和(自身を含む): 165680988

約数和(自身を除く): 84960604

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1184, 2368, 4261, 4736, 8522, 9472, 17044, 18944, 34088, 68176, 136352, 157657, 272704, 315314, 545408, 630628, 1090816, 1261256, 2181632, 2522512, 5045024, 10090048, 20180096, 40360192, 80720384]

約数ペア:

[(1, 80720384), (2, 40360192), (4, 20180096), (8, 10090048), (16, 5045024), (32, 2522512), (37, 2181632), (64, 1261256), (74, 1090816), (128, 630628), (148, 545408), (256, 315314), (296, 272704), (512, 157657), (592, 136352), (1184, 68176), (2368, 34088), (4261, 18944), (4736, 17044), (8522, 9472)]