39479120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15919}}^1$

素因数の和:15963

約数の個数: 40

約数和(自身を含む): 94755840

約数和(自身を除く): 55276720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15919, 31838, 63676, 79595, 127352, 159190, 254704, 318380, 493489, 636760, 986978, 1273520, 1973956, 2467445, 3947912, 4934890, 7895824, 9869780, 19739560, 39479120]

約数ペア:

[(1, 39479120), (2, 19739560), (4, 9869780), (5, 7895824), (8, 4934890), (10, 3947912), (16, 2467445), (20, 1973956), (31, 1273520), (40, 986978), (62, 636760), (80, 493489), (124, 318380), (155, 254704), (248, 159190), (310, 127352), (496, 79595), (620, 63676), (1240, 31838), (2480, 15919)]