71422720

素因数分解:

$2^8\times 5^1\times {\mathrm{55799}}^1$

素因数の和:55820

約数の個数: 36

約数和(自身を含む): 171082800

約数和(自身を除く): 99660080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 55799, 111598, 223196, 278995, 446392, 557990, 892784, 1115980, 1785568, 2231960, 3571136, 4463920, 7142272, 8927840, 14284544, 17855680, 35711360, 71422720]

約数ペア:

[(1, 71422720), (2, 35711360), (4, 17855680), (5, 14284544), (8, 8927840), (10, 7142272), (16, 4463920), (20, 3571136), (32, 2231960), (40, 1785568), (64, 1115980), (80, 892784), (128, 557990), (160, 446392), (256, 278995), (320, 223196), (640, 111598), (1280, 55799)]