42920320

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 103428000

約数和(自身を除く): 60507680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 337, 398, 640, 674, 796, 995, 1348, 1592, 1685, 1990, 2696, 3184, 3370, 3980, 5392, 6368, 6740, 7960, 10784, 12736, 13480, 15920, 21568, 25472, 26960, 31840, 43136, 53920, 63680, 67063, 107840, 127360, 134126, 215680, 268252, 335315, 536504, 670630, 1073008, 1341260, 2146016, 2682520, 4292032, 5365040, 8584064, 10730080, 21460160, 42920320]

約数ペア:

[(1, 42920320), (2, 21460160), (4, 10730080), (5, 8584064), (8, 5365040), (10, 4292032), (16, 2682520), (20, 2146016), (32, 1341260), (40, 1073008), (64, 670630), (80, 536504), (128, 335315), (160, 268252), (199, 215680), (320, 134126), (337, 127360), (398, 107840), (640, 67063), (674, 63680), (796, 53920), (995, 43136), (1348, 31840), (1592, 26960), (1685, 25472), (1990, 21568), (2696, 15920), (3184, 13480), (3370, 12736), (3980, 10784), (5392, 7960), (6368, 6740)]