40545040

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1109}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 94558680

約数和(自身を除く): 54013640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1109, 1828, 2218, 2285, 3656, 4436, 4570, 5545, 7312, 8872, 9140, 11090, 17744, 18280, 22180, 36560, 44360, 88720, 506813, 1013626, 2027252, 2534065, 4054504, 5068130, 8109008, 10136260, 20272520, 40545040]

約数ペア:

[(1, 40545040), (2, 20272520), (4, 10136260), (5, 8109008), (8, 5068130), (10, 4054504), (16, 2534065), (20, 2027252), (40, 1013626), (80, 506813), (457, 88720), (914, 44360), (1109, 36560), (1828, 22180), (2218, 18280), (2285, 17744), (3656, 11090), (4436, 9140), (4570, 8872), (5545, 7312)]