65840875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 87272640

約数和(自身を除く): 21431765

約数列:

[1, 5, 25, 29, 41, 125, 145, 205, 443, 725, 1025, 1189, 2215, 3625, 5125, 5945, 11075, 12847, 18163, 29725, 55375, 64235, 90815, 148625, 321175, 454075, 526727, 1605875, 2270375, 2633635, 13168175, 65840875]

約数ペア:

[(1, 65840875), (5, 13168175), (25, 2633635), (29, 2270375), (41, 1605875), (125, 526727), (145, 454075), (205, 321175), (443, 148625), (725, 90815), (1025, 64235), (1189, 55375), (2215, 29725), (3625, 18163), (5125, 12847), (5945, 11075)]