40737080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11443}}^1$

素因数の和:11543

約数の個数: 32

約数和(自身を含む): 92696400

約数和(自身を除く): 51959320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11443, 22886, 45772, 57215, 91544, 114430, 228860, 457720, 1018427, 2036854, 4073708, 5092135, 8147416, 10184270, 20368540, 40737080]

約数ペア:

[(1, 40737080), (2, 20368540), (4, 10184270), (5, 8147416), (8, 5092135), (10, 4073708), (20, 2036854), (40, 1018427), (89, 457720), (178, 228860), (356, 114430), (445, 91544), (712, 57215), (890, 45772), (1780, 22886), (3560, 11443)]