41720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 108000

約数和(自身を除く): 66280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 10430, 20860, 41720]

約数ペア:

[(1, 41720), (2, 20860), (4, 10430), (5, 8344), (7, 5960), (8, 5215), (10, 4172), (14, 2980), (20, 2086), (28, 1490), (35, 1192), (40, 1043), (56, 745), (70, 596), (140, 298), (149, 280)]