39901480

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1747}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 89987040

約数和(自身を除く): 50085560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1747, 2284, 2855, 3494, 4568, 5710, 6988, 8735, 11420, 13976, 17470, 22840, 34940, 69880, 997537, 1995074, 3990148, 4987685, 7980296, 9975370, 19950740, 39901480]

約数ペア:

[(1, 39901480), (2, 19950740), (4, 9975370), (5, 7980296), (8, 4987685), (10, 3990148), (20, 1995074), (40, 997537), (571, 69880), (1142, 34940), (1747, 22840), (2284, 17470), (2855, 13976), (3494, 11420), (4568, 8735), (5710, 6988)]