42957440

素因数分解:

$2^7\times 5^1\times {\mathrm{67121}}^1$

素因数の和:67140

約数の個数: 32

約数和(自身を含む): 102696660

約数和(自身を除く): 59739220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 67121, 134242, 268484, 335605, 536968, 671210, 1073936, 1342420, 2147872, 2684840, 4295744, 5369680, 8591488, 10739360, 21478720, 42957440]

約数ペア:

[(1, 42957440), (2, 21478720), (4, 10739360), (5, 8591488), (8, 5369680), (10, 4295744), (16, 2684840), (20, 2147872), (32, 1342420), (40, 1073936), (64, 671210), (80, 536968), (128, 335605), (160, 268484), (320, 134242), (640, 67121)]