78132860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300511}}^1$

素因数の和:300533

約数の個数: 24

約数和(自身を含む): 176701056

約数和(自身を除く): 98568196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300511, 601022, 1202044, 1502555, 3005110, 3906643, 6010220, 7813286, 15626572, 19533215, 39066430, 78132860]

約数ペア:

[(1, 78132860), (2, 39066430), (4, 19533215), (5, 15626572), (10, 7813286), (13, 6010220), (20, 3906643), (26, 3005110), (52, 1502555), (65, 1202044), (130, 601022), (260, 300511)]