55420540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 133443072

約数和(自身を除く): 78022532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 787, 1006, 1574, 2012, 2515, 3148, 3521, 3935, 5030, 5509, 7042, 7870, 10060, 11018, 14084, 15740, 17605, 22036, 27545, 35210, 55090, 70420, 110180, 395861, 791722, 1583444, 1979305, 2771027, 3958610, 5542054, 7917220, 11084108, 13855135, 27710270, 55420540]

約数ペア:

[(1, 55420540), (2, 27710270), (4, 13855135), (5, 11084108), (7, 7917220), (10, 5542054), (14, 3958610), (20, 2771027), (28, 1979305), (35, 1583444), (70, 791722), (140, 395861), (503, 110180), (787, 70420), (1006, 55090), (1574, 35210), (2012, 27545), (2515, 22036), (3148, 17605), (3521, 15740), (3935, 14084), (5030, 11018), (5509, 10060), (7042, 7870)]