156720980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{602773}}^1$

素因数の和:602795

約数の個数: 24

約数和(自身を含む): 354431112

約数和(自身を除く): 197710132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 602773, 1205546, 2411092, 3013865, 6027730, 7836049, 12055460, 15672098, 31344196, 39180245, 78360490, 156720980]

約数ペア:

[(1, 156720980), (2, 78360490), (4, 39180245), (5, 31344196), (10, 15672098), (13, 12055460), (20, 7836049), (26, 6027730), (52, 3013865), (65, 2411092), (130, 1205546), (260, 602773)]