40852780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 88452000

約数和(自身を除く): 47599220

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 295, 356, 389, 445, 590, 778, 890, 1180, 1556, 1780, 1945, 3890, 5251, 7780, 10502, 21004, 22951, 26255, 34621, 45902, 52510, 69242, 91804, 105020, 114755, 138484, 173105, 229510, 346210, 459020, 692420, 2042639, 4085278, 8170556, 10213195, 20426390, 40852780]

約数ペア:

[(1, 40852780), (2, 20426390), (4, 10213195), (5, 8170556), (10, 4085278), (20, 2042639), (59, 692420), (89, 459020), (118, 346210), (178, 229510), (236, 173105), (295, 138484), (356, 114755), (389, 105020), (445, 91804), (590, 69242), (778, 52510), (890, 45902), (1180, 34621), (1556, 26255), (1780, 22951), (1945, 21004), (3890, 10502), (5251, 7780)]