12040280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6143}}^1$

素因数の和:6168

約数の個数: 48

約数和(自身を含む): 31518720

約数和(自身を除く): 19478440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6143, 12286, 24572, 30715, 43001, 49144, 61430, 86002, 122860, 172004, 215005, 245720, 301007, 344008, 430010, 602014, 860020, 1204028, 1505035, 1720040, 2408056, 3010070, 6020140, 12040280]

約数ペア:

[(1, 12040280), (2, 6020140), (4, 3010070), (5, 2408056), (7, 1720040), (8, 1505035), (10, 1204028), (14, 860020), (20, 602014), (28, 430010), (35, 344008), (40, 301007), (49, 245720), (56, 215005), (70, 172004), (98, 122860), (140, 86002), (196, 61430), (245, 49144), (280, 43001), (392, 30715), (490, 24572), (980, 12286), (1960, 6143)]