86897840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25261}}^1$

素因数の和:25317

約数の個数: 40

約数和(自身を含む): 206744208

約数和(自身を除く): 119846368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 25261, 50522, 101044, 126305, 202088, 252610, 404176, 505220, 1010440, 1086223, 2020880, 2172446, 4344892, 5431115, 8689784, 10862230, 17379568, 21724460, 43448920, 86897840]

約数ペア:

[(1, 86897840), (2, 43448920), (4, 21724460), (5, 17379568), (8, 10862230), (10, 8689784), (16, 5431115), (20, 4344892), (40, 2172446), (43, 2020880), (80, 1086223), (86, 1010440), (172, 505220), (215, 404176), (344, 252610), (430, 202088), (688, 126305), (860, 101044), (1720, 50522), (3440, 25261)]