164605040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66373}}^1$

素因数の和:66417

約数の個数: 40

約数和(自身を含む): 395058048

約数和(自身を除く): 230453008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66373, 132746, 265492, 331865, 530984, 663730, 1061968, 1327460, 2057563, 2654920, 4115126, 5309840, 8230252, 10287815, 16460504, 20575630, 32921008, 41151260, 82302520, 164605040]

約数ペア:

[(1, 164605040), (2, 82302520), (4, 41151260), (5, 32921008), (8, 20575630), (10, 16460504), (16, 10287815), (20, 8230252), (31, 5309840), (40, 4115126), (62, 2654920), (80, 2057563), (124, 1327460), (155, 1061968), (248, 663730), (310, 530984), (496, 331865), (620, 265492), (1240, 132746), (2480, 66373)]