81140016

素因数分解:

$2^4\times 3^1\times {\mathrm{331}}^1\times {\mathrm{5107}}^1$

素因数の和:5449

約数の個数: 40

約数和(自身を含む): 210286144

約数和(自身を除く): 129146128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 331, 662, 993, 1324, 1986, 2648, 3972, 5107, 5296, 7944, 10214, 15321, 15888, 20428, 30642, 40856, 61284, 81712, 122568, 245136, 1690417, 3380834, 5071251, 6761668, 10142502, 13523336, 20285004, 27046672, 40570008, 81140016]

約数ペア:

[(1, 81140016), (2, 40570008), (3, 27046672), (4, 20285004), (6, 13523336), (8, 10142502), (12, 6761668), (16, 5071251), (24, 3380834), (48, 1690417), (331, 245136), (662, 122568), (993, 81712), (1324, 61284), (1986, 40856), (2648, 30642), (3972, 20428), (5107, 15888), (5296, 15321), (7944, 10214)]