28088920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18979}}^1$

素因数の和:19027

約数の個数: 32

約数和(自身を含む): 64911600

約数和(自身を除く): 36822680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 18979, 37958, 75916, 94895, 151832, 189790, 379580, 702223, 759160, 1404446, 2808892, 3511115, 5617784, 7022230, 14044460, 28088920]

約数ペア:

[(1, 28088920), (2, 14044460), (4, 7022230), (5, 5617784), (8, 3511115), (10, 2808892), (20, 1404446), (37, 759160), (40, 702223), (74, 379580), (148, 189790), (185, 151832), (296, 94895), (370, 75916), (740, 37958), (1480, 18979)]