66352520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127601}}^1$

素因数の和:127625

約数の個数: 32

約数和(自身を含む): 160778520

約数和(自身を除く): 94426000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127601, 255202, 510404, 638005, 1020808, 1276010, 1658813, 2552020, 3317626, 5104040, 6635252, 8294065, 13270504, 16588130, 33176260, 66352520]

約数ペア:

[(1, 66352520), (2, 33176260), (4, 16588130), (5, 13270504), (8, 8294065), (10, 6635252), (13, 5104040), (20, 3317626), (26, 2552020), (40, 1658813), (52, 1276010), (65, 1020808), (104, 638005), (130, 510404), (260, 255202), (520, 127601)]