64530700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49639}}^1$

素因数の和:49666

約数の個数: 36

約数和(自身を含む): 150806320

約数和(自身を除く): 86275620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49639, 99278, 198556, 248195, 496390, 645307, 992780, 1240975, 1290614, 2481950, 2581228, 3226535, 4963900, 6453070, 12906140, 16132675, 32265350, 64530700]

約数ペア:

[(1, 64530700), (2, 32265350), (4, 16132675), (5, 12906140), (10, 6453070), (13, 4963900), (20, 3226535), (25, 2581228), (26, 2481950), (50, 1290614), (52, 1240975), (65, 992780), (100, 645307), (130, 496390), (260, 248195), (325, 198556), (650, 99278), (1300, 49639)]