39447940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40253}}^1$

素因数の和:40276

約数の個数: 36

約数和(自身を含む): 96368076

約数和(自身を除く): 56920136

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40253, 80506, 161012, 201265, 281771, 402530, 563542, 805060, 1127084, 1408855, 1972397, 2817710, 3944794, 5635420, 7889588, 9861985, 19723970, 39447940]

約数ペア:

[(1, 39447940), (2, 19723970), (4, 9861985), (5, 7889588), (7, 5635420), (10, 3944794), (14, 2817710), (20, 1972397), (28, 1408855), (35, 1127084), (49, 805060), (70, 563542), (98, 402530), (140, 281771), (196, 201265), (245, 161012), (490, 80506), (980, 40253)]