78146210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{20089}}^1$

素因数の和:20485

約数の個数: 16

約数和(自身を含む): 141031800

約数和(自身を除く): 62885590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 20089, 40178, 100445, 200890, 7814621, 15629242, 39073105, 78146210]

約数ペア:

[(1, 78146210), (2, 39073105), (5, 15629242), (10, 7814621), (389, 200890), (778, 100445), (1945, 40178), (3890, 20089)]