202007140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{39301}}^1$

素因数の和:39567

約数の個数: 24

約数和(自身を含む): 425876472

約数和(自身を除く): 223869332

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 39301, 78602, 157204, 196505, 393010, 786020, 10100357, 20200714, 40401428, 50501785, 101003570, 202007140]

約数ペア:

[(1, 202007140), (2, 101003570), (4, 50501785), (5, 40401428), (10, 20200714), (20, 10100357), (257, 786020), (514, 393010), (1028, 196505), (1285, 157204), (2570, 78602), (5140, 39301)]