21761434880

素因数分解:

$2^8\times 5^1\times {\mathrm{17001121}}^1$

素因数の和:17001142

約数の個数: 36

約数和(自身を含む): 52125440052

約数和(自身を除く): 30364005172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 17001121, 34002242, 68004484, 85005605, 136008968, 170011210, 272017936, 340022420, 544035872, 680044840, 1088071744, 1360089680, 2176143488, 2720179360, 4352286976, 5440358720, 10880717440, 21761434880]

約数ペア:

[(1, 21761434880), (2, 10880717440), (4, 5440358720), (5, 4352286976), (8, 2720179360), (10, 2176143488), (16, 1360089680), (20, 1088071744), (32, 680044840), (40, 544035872), (64, 340022420), (80, 272017936), (128, 170011210), (160, 136008968), (256, 85005605), (320, 68004484), (640, 34002242), (1280, 17001121)]