64964375

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 95969280

約数和(自身を除く): 31004905

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 479, 625, 775, 875, 1085, 2395, 3353, 3875, 4375, 5425, 11975, 14849, 16765, 19375, 27125, 59875, 74245, 83825, 103943, 135625, 299375, 371225, 419125, 519715, 1856125, 2095625, 2598575, 9280625, 12992875, 64964375]

約数ペア:

[(1, 64964375), (5, 12992875), (7, 9280625), (25, 2598575), (31, 2095625), (35, 1856125), (125, 519715), (155, 419125), (175, 371225), (217, 299375), (479, 135625), (625, 103943), (775, 83825), (875, 74245), (1085, 59875), (2395, 27125), (3353, 19375), (3875, 16765), (4375, 14849), (5425, 11975)]