40217120

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1601}}^1$

素因数の和:1773

約数の個数: 48

約数和(自身を含む): 95677848

約数和(自身を除く): 55460728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 1601, 2512, 3140, 3202, 5024, 6280, 6404, 8005, 12560, 12808, 16010, 25120, 25616, 32020, 51232, 64040, 128080, 251357, 256160, 502714, 1005428, 1256785, 2010856, 2513570, 4021712, 5027140, 8043424, 10054280, 20108560, 40217120]

約数ペア:

[(1, 40217120), (2, 20108560), (4, 10054280), (5, 8043424), (8, 5027140), (10, 4021712), (16, 2513570), (20, 2010856), (32, 1256785), (40, 1005428), (80, 502714), (157, 256160), (160, 251357), (314, 128080), (628, 64040), (785, 51232), (1256, 32020), (1570, 25616), (1601, 25120), (2512, 16010), (3140, 12808), (3202, 12560), (5024, 8005), (6280, 6404)]