128558840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{44027}}^1$

素因数の和:44111

約数の個数: 32

約数和(自身を含む): 293226480

約数和(自身を除く): 164667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 44027, 88054, 176108, 220135, 352216, 440270, 880540, 1761080, 3213971, 6427942, 12855884, 16069855, 25711768, 32139710, 64279420, 128558840]

約数ペア:

[(1, 128558840), (2, 64279420), (4, 32139710), (5, 25711768), (8, 16069855), (10, 12855884), (20, 6427942), (40, 3213971), (73, 1761080), (146, 880540), (292, 440270), (365, 352216), (584, 220135), (730, 176108), (1460, 88054), (2920, 44027)]