2645870180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1\times {\mathrm{3203}}^1$

素因数の和:3716

約数の個数: 48

約数和(自身を含む): 5626018944

約数和(自身を除く): 2980148764

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 401, 412, 515, 802, 1030, 1604, 2005, 2060, 3203, 4010, 6406, 8020, 12812, 16015, 32030, 41303, 64060, 82606, 165212, 206515, 329909, 413030, 659818, 826060, 1284403, 1319636, 1649545, 2568806, 3299090, 5137612, 6422015, 6598180, 12844030, 25688060, 132293509, 264587018, 529174036, 661467545, 1322935090, 2645870180]

約数ペア:

[(1, 2645870180), (2, 1322935090), (4, 661467545), (5, 529174036), (10, 264587018), (20, 132293509), (103, 25688060), (206, 12844030), (401, 6598180), (412, 6422015), (515, 5137612), (802, 3299090), (1030, 2568806), (1604, 1649545), (2005, 1319636), (2060, 1284403), (3203, 826060), (4010, 659818), (6406, 413030), (8020, 329909), (12812, 206515), (16015, 165212), (32030, 82606), (41303, 64060)]