80672060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2411}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 194503680

約数和(自身を除く): 113831620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 2411, 3346, 4780, 4822, 6692, 8365, 9644, 12055, 16730, 16877, 24110, 33460, 33754, 48220, 67508, 84385, 168770, 337540, 576229, 1152458, 2304916, 2881145, 4033603, 5762290, 8067206, 11524580, 16134412, 20168015, 40336030, 80672060]

約数ペア:

[(1, 80672060), (2, 40336030), (4, 20168015), (5, 16134412), (7, 11524580), (10, 8067206), (14, 5762290), (20, 4033603), (28, 2881145), (35, 2304916), (70, 1152458), (140, 576229), (239, 337540), (478, 168770), (956, 84385), (1195, 67508), (1673, 48220), (2390, 33754), (2411, 33460), (3346, 24110), (4780, 16877), (4822, 16730), (6692, 12055), (8365, 9644)]