64247720

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1511}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 80541400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 1511, 2126, 3022, 4252, 5315, 6044, 7555, 8504, 10630, 12088, 15110, 21260, 30220, 42520, 60440, 1606193, 3212386, 6424772, 8030965, 12849544, 16061930, 32123860, 64247720]

約数ペア:

[(1, 64247720), (2, 32123860), (4, 16061930), (5, 12849544), (8, 8030965), (10, 6424772), (20, 3212386), (40, 1606193), (1063, 60440), (1511, 42520), (2126, 30220), (3022, 21260), (4252, 15110), (5315, 12088), (6044, 10630), (7555, 8504)]