64773040

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2861}}^1$

素因数の和:3157

約数の個数: 40

約数和(自身を含む): 151182288

約数和(自身を除く): 86409248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 2861, 4528, 5660, 5722, 11320, 11444, 14305, 22640, 22888, 28610, 45776, 57220, 114440, 228880, 809663, 1619326, 3238652, 4048315, 6477304, 8096630, 12954608, 16193260, 32386520, 64773040]

約数ペア:

[(1, 64773040), (2, 32386520), (4, 16193260), (5, 12954608), (8, 8096630), (10, 6477304), (16, 4048315), (20, 3238652), (40, 1619326), (80, 809663), (283, 228880), (566, 114440), (1132, 57220), (1415, 45776), (2264, 28610), (2830, 22888), (2861, 22640), (4528, 14305), (5660, 11444), (5722, 11320)]