255003440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{13337}}^1$

素因数の和:13589

約数の個数: 40

約数和(自身を含む): 595408320

約数和(自身を除く): 340404880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 13337, 19120, 26674, 53348, 66685, 106696, 133370, 213392, 266740, 533480, 1066960, 3187543, 6375086, 12750172, 15937715, 25500344, 31875430, 51000688, 63750860, 127501720, 255003440]

約数ペア:

[(1, 255003440), (2, 127501720), (4, 63750860), (5, 51000688), (8, 31875430), (10, 25500344), (16, 15937715), (20, 12750172), (40, 6375086), (80, 3187543), (239, 1066960), (478, 533480), (956, 266740), (1195, 213392), (1912, 133370), (2390, 106696), (3824, 66685), (4780, 53348), (9560, 26674), (13337, 19120)]