63871820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 137380320

約数和(自身を除く): 73508500

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 166, 218, 332, 353, 415, 436, 545, 706, 830, 1090, 1412, 1660, 1765, 2180, 3530, 7060, 9047, 18094, 29299, 36188, 38477, 45235, 58598, 76954, 90470, 117196, 146495, 153908, 180940, 192385, 292990, 384770, 585980, 769540, 3193591, 6387182, 12774364, 15967955, 31935910, 63871820]

約数ペア:

[(1, 63871820), (2, 31935910), (4, 15967955), (5, 12774364), (10, 6387182), (20, 3193591), (83, 769540), (109, 585980), (166, 384770), (218, 292990), (332, 192385), (353, 180940), (415, 153908), (436, 146495), (545, 117196), (706, 90470), (830, 76954), (1090, 58598), (1412, 45235), (1660, 38477), (1765, 36188), (2180, 29299), (3530, 18094), (7060, 9047)]