55504640

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 134560608

約数和(自身を除く): 79055968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 421, 515, 640, 824, 842, 1030, 1280, 1648, 1684, 2060, 2105, 3296, 3368, 4120, 4210, 6592, 6736, 8240, 8420, 13184, 13472, 16480, 16840, 26368, 26944, 32960, 33680, 43363, 53888, 65920, 67360, 86726, 107776, 131840, 134720, 173452, 216815, 269440, 346904, 433630, 538880, 693808, 867260, 1387616, 1734520, 2775232, 3469040, 5550464, 6938080, 11100928, 13876160, 27752320, 55504640]

約数ペア:

[(1, 55504640), (2, 27752320), (4, 13876160), (5, 11100928), (8, 6938080), (10, 5550464), (16, 3469040), (20, 2775232), (32, 1734520), (40, 1387616), (64, 867260), (80, 693808), (103, 538880), (128, 433630), (160, 346904), (206, 269440), (256, 216815), (320, 173452), (412, 134720), (421, 131840), (515, 107776), (640, 86726), (824, 67360), (842, 65920), (1030, 53888), (1280, 43363), (1648, 33680), (1684, 32960), (2060, 26944), (2105, 26368), (3296, 16840), (3368, 16480), (4120, 13472), (4210, 13184), (6592, 8420), (6736, 8240)]