19964200

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 46765980

約数和(自身を除く): 26801780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 577, 692, 865, 1154, 1384, 1730, 2308, 2885, 3460, 4325, 4616, 5770, 6920, 8650, 11540, 14425, 17300, 23080, 28850, 34600, 57700, 99821, 115400, 199642, 399284, 499105, 798568, 998210, 1996420, 2495525, 3992840, 4991050, 9982100, 19964200]

約数ペア:

[(1, 19964200), (2, 9982100), (4, 4991050), (5, 3992840), (8, 2495525), (10, 1996420), (20, 998210), (25, 798568), (40, 499105), (50, 399284), (100, 199642), (173, 115400), (200, 99821), (346, 57700), (577, 34600), (692, 28850), (865, 23080), (1154, 17300), (1384, 14425), (1730, 11540), (2308, 8650), (2885, 6920), (3460, 5770), (4325, 4616)]