26168720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3001}}^1$

素因数の和:3123

約数の個数: 40

約数和(自身を含む): 61420920

約数和(自身を除く): 35252200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3001, 4360, 6002, 8720, 12004, 15005, 24008, 30010, 48016, 60020, 120040, 240080, 327109, 654218, 1308436, 1635545, 2616872, 3271090, 5233744, 6542180, 13084360, 26168720]

約数ペア:

[(1, 26168720), (2, 13084360), (4, 6542180), (5, 5233744), (8, 3271090), (10, 2616872), (16, 1635545), (20, 1308436), (40, 654218), (80, 327109), (109, 240080), (218, 120040), (436, 60020), (545, 48016), (872, 30010), (1090, 24008), (1744, 15005), (2180, 12004), (3001, 8720), (4360, 6002)]