520564460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{27427}}^1$

素因数の和:27522

約数の個数: 48

約数和(自身を含む): 1193447136

約数和(自身を除く): 672882676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 27427, 54854, 109708, 137135, 274270, 356551, 548540, 713102, 1426204, 1782755, 2002171, 3565510, 4004342, 7131020, 8008684, 10010855, 20021710, 26028223, 40043420, 52056446, 104112892, 130141115, 260282230, 520564460]

約数ペア:

[(1, 520564460), (2, 260282230), (4, 130141115), (5, 104112892), (10, 52056446), (13, 40043420), (20, 26028223), (26, 20021710), (52, 10010855), (65, 8008684), (73, 7131020), (130, 4004342), (146, 3565510), (260, 2002171), (292, 1782755), (365, 1426204), (730, 713102), (949, 548540), (1460, 356551), (1898, 274270), (3796, 137135), (4745, 109708), (9490, 54854), (18980, 27427)]