49900120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7211}}^1$

素因数の和:7395

約数の個数: 32

約数和(自身を含む): 112939920

約数和(自身を除く): 63039800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 7211, 14422, 28844, 36055, 57688, 72110, 144220, 288440, 1247503, 2495006, 4990012, 6237515, 9980024, 12475030, 24950060, 49900120]

約数ペア:

[(1, 49900120), (2, 24950060), (4, 12475030), (5, 9980024), (8, 6237515), (10, 4990012), (20, 2495006), (40, 1247503), (173, 288440), (346, 144220), (692, 72110), (865, 57688), (1384, 36055), (1730, 28844), (3460, 14422), (6920, 7211)]