4161280

素因数分解:

$2^8\times 5^1\times {\mathrm{3251}}^1$

素因数の和:3272

約数の個数: 36

約数和(自身を含む): 9970632

約数和(自身を除く): 5809352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3251, 6502, 13004, 16255, 26008, 32510, 52016, 65020, 104032, 130040, 208064, 260080, 416128, 520160, 832256, 1040320, 2080640, 4161280]

約数ペア:

[(1, 4161280), (2, 2080640), (4, 1040320), (5, 832256), (8, 520160), (10, 416128), (16, 260080), (20, 208064), (32, 130040), (40, 104032), (64, 65020), (80, 52016), (128, 32510), (160, 26008), (256, 16255), (320, 13004), (640, 6502), (1280, 3251)]