27930160

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3203}}^1$

素因数の和:3325

約数の個数: 40

約数和(自身を含む): 65553840

約数和(自身を除く): 37623680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3203, 4360, 6406, 8720, 12812, 16015, 25624, 32030, 51248, 64060, 128120, 256240, 349127, 698254, 1396508, 1745635, 2793016, 3491270, 5586032, 6982540, 13965080, 27930160]

約数ペア:

[(1, 27930160), (2, 13965080), (4, 6982540), (5, 5586032), (8, 3491270), (10, 2793016), (16, 1745635), (20, 1396508), (40, 698254), (80, 349127), (109, 256240), (218, 128120), (436, 64060), (545, 51248), (872, 32030), (1090, 25624), (1744, 16015), (2180, 12812), (3203, 8720), (4360, 6406)]