130967120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39929}}^1$

素因数の和:39983

約数の個数: 40

約数和(自身を含む): 311933160

約数和(自身を除く): 180966040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 39929, 79858, 159716, 199645, 319432, 399290, 638864, 798580, 1597160, 1637089, 3194320, 3274178, 6548356, 8185445, 13096712, 16370890, 26193424, 32741780, 65483560, 130967120]

約数ペア:

[(1, 130967120), (2, 65483560), (4, 32741780), (5, 26193424), (8, 16370890), (10, 13096712), (16, 8185445), (20, 6548356), (40, 3274178), (41, 3194320), (80, 1637089), (82, 1597160), (164, 798580), (205, 638864), (328, 399290), (410, 319432), (656, 199645), (820, 159716), (1640, 79858), (3280, 39929)]