77637320

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4889}}^1$

素因数の和:5297

約数の個数: 32

約数和(自身を含む): 175159800

約数和(自身を除く): 97522480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4889, 7940, 9778, 15880, 19556, 24445, 39112, 48890, 97780, 195560, 1940933, 3881866, 7763732, 9704665, 15527464, 19409330, 38818660, 77637320]

約数ペア:

[(1, 77637320), (2, 38818660), (4, 19409330), (5, 15527464), (8, 9704665), (10, 7763732), (20, 3881866), (40, 1940933), (397, 195560), (794, 97780), (1588, 48890), (1985, 39112), (3176, 24445), (3970, 19556), (4889, 15880), (7940, 9778)]