100155740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{45943}}^1$

素因数の和:46061

約数の個数: 24

約数和(自身を含む): 212261280

約数和(自身を除く): 112105540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 45943, 91886, 183772, 229715, 459430, 918860, 5007787, 10015574, 20031148, 25038935, 50077870, 100155740]

約数ペア:

[(1, 100155740), (2, 50077870), (4, 25038935), (5, 20031148), (10, 10015574), (20, 5007787), (109, 918860), (218, 459430), (436, 229715), (545, 183772), (1090, 91886), (2180, 45943)]