15696688240

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{196799}}^1$

素因数の和:197809

約数の個数: 40

約数和(自身を含む): 36531590400

約数和(自身を除く): 20834902160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1994, 3988, 4985, 7976, 9970, 15952, 19940, 39880, 79760, 196799, 393598, 787196, 983995, 1574392, 1967990, 3148784, 3935980, 7871960, 15743920, 196208603, 392417206, 784834412, 981043015, 1569668824, 1962086030, 3139337648, 3924172060, 7848344120, 15696688240]

約数ペア:

[(1, 15696688240), (2, 7848344120), (4, 3924172060), (5, 3139337648), (8, 1962086030), (10, 1569668824), (16, 981043015), (20, 784834412), (40, 392417206), (80, 196208603), (997, 15743920), (1994, 7871960), (3988, 3935980), (4985, 3148784), (7976, 1967990), (9970, 1574392), (15952, 983995), (19940, 787196), (39880, 393598), (79760, 196799)]