66706880

素因数分解:

$2^6\times 5^1\times {\mathrm{208459}}^1$

素因数の和:208476

約数の個数: 28

約数和(自身を含む): 158846520

約数和(自身を除く): 92139640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208459, 416918, 833836, 1042295, 1667672, 2084590, 3335344, 4169180, 6670688, 8338360, 13341376, 16676720, 33353440, 66706880]

約数ペア:

[(1, 66706880), (2, 33353440), (4, 16676720), (5, 13341376), (8, 8338360), (10, 6670688), (16, 4169180), (20, 3335344), (32, 2084590), (40, 1667672), (64, 1042295), (80, 833836), (160, 416918), (320, 208459)]