64981760

素因数分解:

$2^8\times 5^1\times {\mathrm{50767}}^1$

素因数の和:50788

約数の個数: 36

約数和(自身を含む): 155654688

約数和(自身を除く): 90672928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50767, 101534, 203068, 253835, 406136, 507670, 812272, 1015340, 1624544, 2030680, 3249088, 4061360, 6498176, 8122720, 12996352, 16245440, 32490880, 64981760]

約数ペア:

[(1, 64981760), (2, 32490880), (4, 16245440), (5, 12996352), (8, 8122720), (10, 6498176), (16, 4061360), (20, 3249088), (32, 2030680), (40, 1624544), (64, 1015340), (80, 812272), (128, 507670), (160, 406136), (256, 253835), (320, 203068), (640, 101534), (1280, 50767)]