27189940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 31620812

約数列:

[1, 2, 4, 5, 10, 20, 67, 103, 134, 197, 206, 268, 335, 394, 412, 515, 670, 788, 985, 1030, 1340, 1970, 2060, 3940, 6901, 13199, 13802, 20291, 26398, 27604, 34505, 40582, 52796, 65995, 69010, 81164, 101455, 131990, 138020, 202910, 263980, 405820, 1359497, 2718994, 5437988, 6797485, 13594970, 27189940]

約数ペア:

[(1, 27189940), (2, 13594970), (4, 6797485), (5, 5437988), (10, 2718994), (20, 1359497), (67, 405820), (103, 263980), (134, 202910), (197, 138020), (206, 131990), (268, 101455), (335, 81164), (394, 69010), (412, 65995), (515, 52796), (670, 40582), (788, 34505), (985, 27604), (1030, 26398), (1340, 20291), (1970, 13802), (2060, 13199), (3940, 6901)]