66528080

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1493}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 155059272

約数和(自身を除く): 88531192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1493, 2228, 2785, 2986, 4456, 5570, 5972, 7465, 8912, 11140, 11944, 14930, 22280, 23888, 29860, 44560, 59720, 119440, 831601, 1663202, 3326404, 4158005, 6652808, 8316010, 13305616, 16632020, 33264040, 66528080]

約数ペア:

[(1, 66528080), (2, 33264040), (4, 16632020), (5, 13305616), (8, 8316010), (10, 6652808), (16, 4158005), (20, 3326404), (40, 1663202), (80, 831601), (557, 119440), (1114, 59720), (1493, 44560), (2228, 29860), (2785, 23888), (2986, 22280), (4456, 14930), (5570, 11944), (5972, 11140), (7465, 8912)]