56109440

素因数分解:

$2^7\times 5^1\times {\mathrm{87671}}^1$

素因数の和:87690

約数の個数: 32

約数和(自身を含む): 134138160

約数和(自身を除く): 78028720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87671, 175342, 350684, 438355, 701368, 876710, 1402736, 1753420, 2805472, 3506840, 5610944, 7013680, 11221888, 14027360, 28054720, 56109440]

約数ペア:

[(1, 56109440), (2, 28054720), (4, 14027360), (5, 11221888), (8, 7013680), (10, 5610944), (16, 3506840), (20, 2805472), (32, 1753420), (40, 1402736), (64, 876710), (80, 701368), (128, 438355), (160, 350684), (320, 175342), (640, 87671)]