255014780

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{15493}}^1$

素因数の和:16325

約数の個数: 24

約数和(自身を含む): 536216352

約数和(自身を除く): 281201572

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 8230, 15493, 16460, 30986, 61972, 77465, 154930, 309860, 12750739, 25501478, 51002956, 63753695, 127507390, 255014780]

約数ペア:

[(1, 255014780), (2, 127507390), (4, 63753695), (5, 51002956), (10, 25501478), (20, 12750739), (823, 309860), (1646, 154930), (3292, 77465), (4115, 61972), (8230, 30986), (15493, 16460)]