71916640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10453}}^1$

素因数の和:10511

約数の個数: 48

約数和(自身を含む): 173870928

約数和(自身を除く): 101954288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 10453, 20906, 41812, 52265, 83624, 104530, 167248, 209060, 334496, 418120, 449479, 836240, 898958, 1672480, 1797916, 2247395, 3595832, 4494790, 7191664, 8989580, 14383328, 17979160, 35958320, 71916640]

約数ペア:

[(1, 71916640), (2, 35958320), (4, 17979160), (5, 14383328), (8, 8989580), (10, 7191664), (16, 4494790), (20, 3595832), (32, 2247395), (40, 1797916), (43, 1672480), (80, 898958), (86, 836240), (160, 449479), (172, 418120), (215, 334496), (344, 209060), (430, 167248), (688, 104530), (860, 83624), (1376, 52265), (1720, 41812), (3440, 20906), (6880, 10453)]