120819320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{31139}}^1$

素因数の和:31247

約数の個数: 32

約数和(自身を含む): 274654800

約数和(自身を除く): 153835480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 31139, 62278, 124556, 155695, 249112, 311390, 622780, 1245560, 3020483, 6040966, 12081932, 15102415, 24163864, 30204830, 60409660, 120819320]

約数ペア:

[(1, 120819320), (2, 60409660), (4, 30204830), (5, 24163864), (8, 15102415), (10, 12081932), (20, 6040966), (40, 3020483), (97, 1245560), (194, 622780), (388, 311390), (485, 249112), (776, 155695), (970, 124556), (1940, 62278), (3880, 31139)]