27752320

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 67148640

約数和(自身を除く): 39396320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 421, 515, 640, 824, 842, 1030, 1648, 1684, 2060, 2105, 3296, 3368, 4120, 4210, 6592, 6736, 8240, 8420, 13184, 13472, 16480, 16840, 26944, 32960, 33680, 43363, 53888, 65920, 67360, 86726, 134720, 173452, 216815, 269440, 346904, 433630, 693808, 867260, 1387616, 1734520, 2775232, 3469040, 5550464, 6938080, 13876160, 27752320]

約数ペア:

[(1, 27752320), (2, 13876160), (4, 6938080), (5, 5550464), (8, 3469040), (10, 2775232), (16, 1734520), (20, 1387616), (32, 867260), (40, 693808), (64, 433630), (80, 346904), (103, 269440), (128, 216815), (160, 173452), (206, 134720), (320, 86726), (412, 67360), (421, 65920), (515, 53888), (640, 43363), (824, 33680), (842, 32960), (1030, 26944), (1648, 16840), (1684, 16480), (2060, 13472), (2105, 13184), (3296, 8420), (3368, 8240), (4120, 6736), (4210, 6592)]