80966480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144583}}^1$

素因数の和:144603

約数の個数: 40

約数和(自身を含む): 215140992

約数和(自身を除く): 134174512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144583, 289166, 578332, 722915, 1012081, 1156664, 1445830, 2024162, 2313328, 2891660, 4048324, 5060405, 5783320, 8096648, 10120810, 11566640, 16193296, 20241620, 40483240, 80966480]

約数ペア:

[(1, 80966480), (2, 40483240), (4, 20241620), (5, 16193296), (7, 11566640), (8, 10120810), (10, 8096648), (14, 5783320), (16, 5060405), (20, 4048324), (28, 2891660), (35, 2313328), (40, 2024162), (56, 1445830), (70, 1156664), (80, 1012081), (112, 722915), (140, 578332), (280, 289166), (560, 144583)]