22878040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3643}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 51817680

約数和(自身を除く): 28939640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 3643, 6280, 7286, 14572, 18215, 29144, 36430, 72860, 145720, 571951, 1143902, 2287804, 2859755, 4575608, 5719510, 11439020, 22878040]

約数ペア:

[(1, 22878040), (2, 11439020), (4, 5719510), (5, 4575608), (8, 2859755), (10, 2287804), (20, 1143902), (40, 571951), (157, 145720), (314, 72860), (628, 36430), (785, 29144), (1256, 18215), (1570, 14572), (3140, 7286), (3643, 6280)]