1295720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1117}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 3018600

約数和(自身を除く): 1722880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1117, 1160, 2234, 4468, 5585, 8936, 11170, 22340, 32393, 44680, 64786, 129572, 161965, 259144, 323930, 647860, 1295720]

約数ペア:

[(1, 1295720), (2, 647860), (4, 323930), (5, 259144), (8, 161965), (10, 129572), (20, 64786), (29, 44680), (40, 32393), (58, 22340), (116, 11170), (145, 8936), (232, 5585), (290, 4468), (580, 2234), (1117, 1160)]