40857680

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3253}}^1$

素因数の和:3423

約数の個数: 40

約数和(自身を含む): 95628552

約数和(自身を除く): 54770872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 3253, 6280, 6506, 12560, 13012, 16265, 26024, 32530, 52048, 65060, 130120, 260240, 510721, 1021442, 2042884, 2553605, 4085768, 5107210, 8171536, 10214420, 20428840, 40857680]

約数ペア:

[(1, 40857680), (2, 20428840), (4, 10214420), (5, 8171536), (8, 5107210), (10, 4085768), (16, 2553605), (20, 2042884), (40, 1021442), (80, 510721), (157, 260240), (314, 130120), (628, 65060), (785, 52048), (1256, 32530), (1570, 26024), (2512, 16265), (3140, 13012), (3253, 12560), (6280, 6506)]