266574080

素因数分解:

$2^8\times 5^1\times {\mathrm{208261}}^1$

素因数の和:208282

約数の個数: 36

約数和(自身を含む): 638531292

約数和(自身を除く): 371957212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 208261, 416522, 833044, 1041305, 1666088, 2082610, 3332176, 4165220, 6664352, 8330440, 13328704, 16660880, 26657408, 33321760, 53314816, 66643520, 133287040, 266574080]

約数ペア:

[(1, 266574080), (2, 133287040), (4, 66643520), (5, 53314816), (8, 33321760), (10, 26657408), (16, 16660880), (20, 13328704), (32, 8330440), (40, 6664352), (64, 4165220), (80, 3332176), (128, 2082610), (160, 1666088), (256, 1041305), (320, 833044), (640, 416522), (1280, 208261)]