51178240

素因数分解:

$2^8\times 5^1\times {\mathrm{39983}}^1$

素因数の和:40004

約数の個数: 36

約数和(自身を含む): 122590944

約数和(自身を除く): 71412704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 39983, 79966, 159932, 199915, 319864, 399830, 639728, 799660, 1279456, 1599320, 2558912, 3198640, 5117824, 6397280, 10235648, 12794560, 25589120, 51178240]

約数ペア:

[(1, 51178240), (2, 25589120), (4, 12794560), (5, 10235648), (8, 6397280), (10, 5117824), (16, 3198640), (20, 2558912), (32, 1599320), (40, 1279456), (64, 799660), (80, 639728), (128, 399830), (160, 319864), (256, 199915), (320, 159932), (640, 79966), (1280, 39983)]