129492320

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1609}}^1$

素因数の和:2127

約数の個数: 48

約数和(自身を含む): 306724320

約数和(自身を除く): 177232000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 1006, 1609, 2012, 2515, 3218, 4024, 5030, 6436, 8045, 8048, 10060, 12872, 16090, 16096, 20120, 25744, 32180, 40240, 51488, 64360, 80480, 128720, 257440, 809327, 1618654, 3237308, 4046635, 6474616, 8093270, 12949232, 16186540, 25898464, 32373080, 64746160, 129492320]

約数ペア:

[(1, 129492320), (2, 64746160), (4, 32373080), (5, 25898464), (8, 16186540), (10, 12949232), (16, 8093270), (20, 6474616), (32, 4046635), (40, 3237308), (80, 1618654), (160, 809327), (503, 257440), (1006, 128720), (1609, 80480), (2012, 64360), (2515, 51488), (3218, 40240), (4024, 32180), (5030, 25744), (6436, 20120), (8045, 16096), (8048, 16090), (10060, 12872)]