28032920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4051}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 63454320

約数和(自身を除く): 35421400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 4051, 6920, 8102, 16204, 20255, 32408, 40510, 81020, 162040, 700823, 1401646, 2803292, 3504115, 5606584, 7008230, 14016460, 28032920]

約数ペア:

[(1, 28032920), (2, 14016460), (4, 7008230), (5, 5606584), (8, 3504115), (10, 2803292), (20, 1401646), (40, 700823), (173, 162040), (346, 81020), (692, 40510), (865, 32408), (1384, 20255), (1730, 16204), (3460, 8102), (4051, 6920)]