220239718840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{17369063}}^1$

素因数の和:17369391

約数の個数: 32

約数和(自身を含む): 497102611680

約数和(自身を除く): 276862892840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 17369063, 34738126, 69476252, 86845315, 138952504, 173690630, 347381260, 694762520, 5505992971, 11011985942, 22023971884, 27529964855, 44047943768, 55059929710, 110119859420, 220239718840]

約数ペア:

[(1, 220239718840), (2, 110119859420), (4, 55059929710), (5, 44047943768), (8, 27529964855), (10, 22023971884), (20, 11011985942), (40, 5505992971), (317, 694762520), (634, 347381260), (1268, 173690630), (1585, 138952504), (2536, 86845315), (3170, 69476252), (6340, 34738126), (12680, 17369063)]