985082320

素因数分解:

$2^4\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{5651}}^1$

素因数の和:7843

約数の個数: 40

約数和(自身を含む): 2291772960

約数和(自身を除く): 1306690640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2179, 4358, 5651, 8716, 10895, 11302, 17432, 21790, 22604, 28255, 34864, 43580, 45208, 56510, 87160, 90416, 113020, 174320, 226040, 452080, 12313529, 24627058, 49254116, 61567645, 98508232, 123135290, 197016464, 246270580, 492541160, 985082320]

約数ペア:

[(1, 985082320), (2, 492541160), (4, 246270580), (5, 197016464), (8, 123135290), (10, 98508232), (16, 61567645), (20, 49254116), (40, 24627058), (80, 12313529), (2179, 452080), (4358, 226040), (5651, 174320), (8716, 113020), (10895, 90416), (11302, 87160), (17432, 56510), (21790, 45208), (22604, 43580), (28255, 34864)]