996845840

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{19259}}^1$

素因数の和:19919

約数の個数: 40

約数和(自身を含む): 2321369280

約数和(自身を除く): 1324523440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 5176, 6470, 10352, 12940, 19259, 25880, 38518, 51760, 77036, 96295, 154072, 192590, 308144, 385180, 770360, 1540720, 12460573, 24921146, 49842292, 62302865, 99684584, 124605730, 199369168, 249211460, 498422920, 996845840]

約数ペア:

[(1, 996845840), (2, 498422920), (4, 249211460), (5, 199369168), (8, 124605730), (10, 99684584), (16, 62302865), (20, 49842292), (40, 24921146), (80, 12460573), (647, 1540720), (1294, 770360), (2588, 385180), (3235, 308144), (5176, 192590), (6470, 154072), (10352, 96295), (12940, 77036), (19259, 51760), (25880, 38518)]