39984880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38447}}^1$

素因数の和:38473

約数の個数: 40

約数和(自身を含む): 100118592

約数和(自身を除く): 60133712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38447, 76894, 153788, 192235, 307576, 384470, 499811, 615152, 768940, 999622, 1537880, 1999244, 2499055, 3075760, 3998488, 4998110, 7996976, 9996220, 19992440, 39984880]

約数ペア:

[(1, 39984880), (2, 19992440), (4, 9996220), (5, 7996976), (8, 4998110), (10, 3998488), (13, 3075760), (16, 2499055), (20, 1999244), (26, 1537880), (40, 999622), (52, 768940), (65, 615152), (80, 499811), (104, 384470), (130, 307576), (208, 192235), (260, 153788), (520, 76894), (1040, 38447)]