1569430060040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{643209041}}^1$

素因数の和:643209113

約数の個数: 32

約数和(自身を含む): 3589106454360

約数和(自身を除く): 2019676394320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 643209041, 1286418082, 2572836164, 3216045205, 5145672328, 6432090410, 12864180820, 25728361640, 39235751501, 78471503002, 156943006004, 196178757505, 313886012008, 392357515010, 784715030020, 1569430060040]

約数ペア:

[(1, 1569430060040), (2, 784715030020), (4, 392357515010), (5, 313886012008), (8, 196178757505), (10, 156943006004), (20, 78471503002), (40, 39235751501), (61, 25728361640), (122, 12864180820), (244, 6432090410), (305, 5145672328), (488, 3216045205), (610, 2572836164), (1220, 1286418082), (2440, 643209041)]