158005720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{74531}}^1$

素因数の和:74595

約数の個数: 32

約数和(自身を含む): 362225520

約数和(自身を除く): 204219800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 74531, 149062, 298124, 372655, 596248, 745310, 1490620, 2981240, 3950143, 7900286, 15800572, 19750715, 31601144, 39501430, 79002860, 158005720]

約数ペア:

[(1, 158005720), (2, 79002860), (4, 39501430), (5, 31601144), (8, 19750715), (10, 15800572), (20, 7900286), (40, 3950143), (53, 2981240), (106, 1490620), (212, 745310), (265, 596248), (424, 372655), (530, 298124), (1060, 149062), (2120, 74531)]