89090780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{50051}}^1$

素因数の和:50149

約数の個数: 24

約数和(自身を含む): 189196560

約数和(自身を除く): 100105780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 50051, 100102, 200204, 250255, 500510, 1001020, 4454539, 8909078, 17818156, 22272695, 44545390, 89090780]

約数ペア:

[(1, 89090780), (2, 44545390), (4, 22272695), (5, 17818156), (10, 8909078), (20, 4454539), (89, 1001020), (178, 500510), (356, 250255), (445, 200204), (890, 100102), (1780, 50051)]