29900720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2293}}^1$

素因数の和:2469

約数の個数: 40

約数和(自身を含む): 69976176

約数和(自身を除く): 40075456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2293, 2608, 3260, 4586, 6520, 9172, 11465, 13040, 18344, 22930, 36688, 45860, 91720, 183440, 373759, 747518, 1495036, 1868795, 2990072, 3737590, 5980144, 7475180, 14950360, 29900720]

約数ペア:

[(1, 29900720), (2, 14950360), (4, 7475180), (5, 5980144), (8, 3737590), (10, 2990072), (16, 1868795), (20, 1495036), (40, 747518), (80, 373759), (163, 183440), (326, 91720), (652, 45860), (815, 36688), (1304, 22930), (1630, 18344), (2293, 13040), (2608, 11465), (3260, 9172), (4586, 6520)]