40288755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 72942336

約数和(自身を除く): 32653581

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 507, 691, 845, 897, 1495, 2073, 2535, 3455, 3887, 4485, 8983, 10365, 11661, 15893, 19435, 26949, 44915, 47679, 58305, 79465, 116779, 134745, 206609, 238395, 350337, 583895, 619827, 1033045, 1751685, 2685917, 3099135, 8057751, 13429585, 40288755]

約数ペア:

[(1, 40288755), (3, 13429585), (5, 8057751), (13, 3099135), (15, 2685917), (23, 1751685), (39, 1033045), (65, 619827), (69, 583895), (115, 350337), (169, 238395), (195, 206609), (299, 134745), (345, 116779), (507, 79465), (691, 58305), (845, 47679), (897, 44915), (1495, 26949), (2073, 19435), (2535, 15893), (3455, 11661), (3887, 10365), (4485, 8983)]