28063760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 70680000

約数和(自身を除く): 42616240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 499, 592, 703, 740, 760, 998, 1406, 1480, 1520, 1996, 2495, 2812, 2960, 3515, 3992, 4990, 5624, 7030, 7984, 9481, 9980, 11248, 14060, 18463, 18962, 19960, 28120, 36926, 37924, 39920, 47405, 56240, 73852, 75848, 92315, 94810, 147704, 151696, 184630, 189620, 295408, 350797, 369260, 379240, 701594, 738520, 758480, 1403188, 1477040, 1753985, 2806376, 3507970, 5612752, 7015940, 14031880, 28063760]

約数ペア:

[(1, 28063760), (2, 14031880), (4, 7015940), (5, 5612752), (8, 3507970), (10, 2806376), (16, 1753985), (19, 1477040), (20, 1403188), (37, 758480), (38, 738520), (40, 701594), (74, 379240), (76, 369260), (80, 350797), (95, 295408), (148, 189620), (152, 184630), (185, 151696), (190, 147704), (296, 94810), (304, 92315), (370, 75848), (380, 73852), (499, 56240), (592, 47405), (703, 39920), (740, 37924), (760, 36926), (998, 28120), (1406, 19960), (1480, 18962), (1520, 18463), (1996, 14060), (2495, 11248), (2812, 9980), (2960, 9481), (3515, 7984), (3992, 7030), (4990, 5624)]