30842087440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20290847}}^1$

素因数の和:20290879

約数の個数: 40

約数和(自身を含む): 75481954560

約数和(自身を除く): 44639867120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20290847, 40581694, 81163388, 101454235, 162326776, 202908470, 324653552, 385526093, 405816940, 771052186, 811633880, 1542104372, 1623267760, 1927630465, 3084208744, 3855260930, 6168417488, 7710521860, 15421043720, 30842087440]

約数ペア:

[(1, 30842087440), (2, 15421043720), (4, 7710521860), (5, 6168417488), (8, 3855260930), (10, 3084208744), (16, 1927630465), (19, 1623267760), (20, 1542104372), (38, 811633880), (40, 771052186), (76, 405816940), (80, 385526093), (95, 324653552), (152, 202908470), (190, 162326776), (304, 101454235), (380, 81163388), (760, 40581694), (1520, 20290847)]