77386480

素因数分解:

$2^4\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1103}}^1$

素因数の和:1993

約数の個数: 40

約数和(自身を含む): 180292032

約数和(自身を除く): 102905552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 877, 1103, 1754, 2206, 3508, 4385, 4412, 5515, 7016, 8770, 8824, 11030, 14032, 17540, 17648, 22060, 35080, 44120, 70160, 88240, 967331, 1934662, 3869324, 4836655, 7738648, 9673310, 15477296, 19346620, 38693240, 77386480]

約数ペア:

[(1, 77386480), (2, 38693240), (4, 19346620), (5, 15477296), (8, 9673310), (10, 7738648), (16, 4836655), (20, 3869324), (40, 1934662), (80, 967331), (877, 88240), (1103, 70160), (1754, 44120), (2206, 35080), (3508, 22060), (4385, 17648), (4412, 17540), (5515, 14032), (7016, 11030), (8770, 8824)]