196819120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{22571}}^1$

素因数の和:22693

約数の個数: 40

約数和(自身を含む): 461823120

約数和(自身を除く): 265004000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 22571, 45142, 90284, 112855, 180568, 225710, 361136, 451420, 902840, 1805680, 2460239, 4920478, 9840956, 12301195, 19681912, 24602390, 39363824, 49204780, 98409560, 196819120]

約数ペア:

[(1, 196819120), (2, 98409560), (4, 49204780), (5, 39363824), (8, 24602390), (10, 19681912), (16, 12301195), (20, 9840956), (40, 4920478), (80, 2460239), (109, 1805680), (218, 902840), (436, 451420), (545, 361136), (872, 225710), (1090, 180568), (1744, 112855), (2180, 90284), (4360, 45142), (8720, 22571)]