80805620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3541}}^1$

素因数の和:3720

約数の個数: 48

約数和(自身を含む): 195178368

約数和(自身を除く): 114372748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3541, 4564, 5705, 7082, 11410, 14164, 17705, 22820, 24787, 35410, 49574, 70820, 99148, 123935, 247870, 495740, 577183, 1154366, 2308732, 2885915, 4040281, 5771830, 8080562, 11543660, 16161124, 20201405, 40402810, 80805620]

約数ペア:

[(1, 80805620), (2, 40402810), (4, 20201405), (5, 16161124), (7, 11543660), (10, 8080562), (14, 5771830), (20, 4040281), (28, 2885915), (35, 2308732), (70, 1154366), (140, 577183), (163, 495740), (326, 247870), (652, 123935), (815, 99148), (1141, 70820), (1630, 49574), (2282, 35410), (3260, 24787), (3541, 22820), (4564, 17705), (5705, 14164), (7082, 11410)]