99879040

素因数分解:

$2^7\times 5^1\times {\mathrm{156061}}^1$

素因数の和:156080

約数の個数: 32

約数和(自身を含む): 238774860

約数和(自身を除く): 138895820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 156061, 312122, 624244, 780305, 1248488, 1560610, 2496976, 3121220, 4993952, 6242440, 9987904, 12484880, 19975808, 24969760, 49939520, 99879040]

約数ペア:

[(1, 99879040), (2, 49939520), (4, 24969760), (5, 19975808), (8, 12484880), (10, 9987904), (16, 6242440), (20, 4993952), (32, 3121220), (40, 2496976), (64, 1560610), (80, 1248488), (128, 780305), (160, 624244), (320, 312122), (640, 156061)]