65108320

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{809}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 154314720

約数和(自身を除く): 89206400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 809, 1006, 1618, 2012, 2515, 3236, 4024, 4045, 5030, 6472, 8048, 8090, 10060, 12944, 16096, 16180, 20120, 25888, 32360, 40240, 64720, 80480, 129440, 406927, 813854, 1627708, 2034635, 3255416, 4069270, 6510832, 8138540, 13021664, 16277080, 32554160, 65108320]

約数ペア:

[(1, 65108320), (2, 32554160), (4, 16277080), (5, 13021664), (8, 8138540), (10, 6510832), (16, 4069270), (20, 3255416), (32, 2034635), (40, 1627708), (80, 813854), (160, 406927), (503, 129440), (809, 80480), (1006, 64720), (1618, 40240), (2012, 32360), (2515, 25888), (3236, 20120), (4024, 16180), (4045, 16096), (5030, 12944), (6472, 10060), (8048, 8090)]