291239211080

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5587859}}^1$

素因数の和:5589173

約数の個数: 32

約数和(自身を含む): 655791249600

約数和(自身を除く): 364552038520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5212, 6515, 10424, 13030, 26060, 52120, 5587859, 11175718, 22351436, 27939295, 44702872, 55878590, 111757180, 223514360, 7280980277, 14561960554, 29123921108, 36404901385, 58247842216, 72809802770, 145619605540, 291239211080]

約数ペア:

[(1, 291239211080), (2, 145619605540), (4, 72809802770), (5, 58247842216), (8, 36404901385), (10, 29123921108), (20, 14561960554), (40, 7280980277), (1303, 223514360), (2606, 111757180), (5212, 55878590), (6515, 44702872), (10424, 27939295), (13030, 22351436), (26060, 11175718), (52120, 5587859)]