164099780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631153}}^1$

素因数の和:631175

約数の個数: 24

約数和(自身を含む): 371118552

約数和(自身を除く): 207018772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631153, 1262306, 2524612, 3155765, 6311530, 8204989, 12623060, 16409978, 32819956, 41024945, 82049890, 164099780]

約数ペア:

[(1, 164099780), (2, 82049890), (4, 41024945), (5, 32819956), (10, 16409978), (13, 12623060), (20, 8204989), (26, 6311530), (52, 3155765), (65, 2524612), (130, 1262306), (260, 631153)]