65261780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45959}}^1$

素因数の和:46039

約数の個数: 24

約数和(自身を含む): 138983040

約数和(自身を除く): 73721260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 45959, 91918, 183836, 229795, 459590, 919180, 3263089, 6526178, 13052356, 16315445, 32630890, 65261780]

約数ペア:

[(1, 65261780), (2, 32630890), (4, 16315445), (5, 13052356), (10, 6526178), (20, 3263089), (71, 919180), (142, 459590), (284, 229795), (355, 183836), (710, 91918), (1420, 45959)]