27721520

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2003}}^1$

素因数の和:2189

約数の個数: 40

約数和(自身を含む): 64857456

約数和(自身を除く): 37135936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2003, 2768, 3460, 4006, 6920, 8012, 10015, 13840, 16024, 20030, 32048, 40060, 80120, 160240, 346519, 693038, 1386076, 1732595, 2772152, 3465190, 5544304, 6930380, 13860760, 27721520]

約数ペア:

[(1, 27721520), (2, 13860760), (4, 6930380), (5, 5544304), (8, 3465190), (10, 2772152), (16, 1732595), (20, 1386076), (40, 693038), (80, 346519), (173, 160240), (346, 80120), (692, 40060), (865, 32048), (1384, 20030), (1730, 16024), (2003, 13840), (2768, 10015), (3460, 8012), (4006, 6920)]