164750800

素因数分解:

$2^4\times 5^2\times {\mathrm{419}}^1\times {\mathrm{983}}^1$

素因数の和:1420

約数の個数: 60

約数和(自身を含む): 397162080

約数和(自身を除く): 232411280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 419, 838, 983, 1676, 1966, 2095, 3352, 3932, 4190, 4915, 6704, 7864, 8380, 9830, 10475, 15728, 16760, 19660, 20950, 24575, 33520, 39320, 41900, 49150, 78640, 83800, 98300, 167600, 196600, 393200, 411877, 823754, 1647508, 2059385, 3295016, 4118770, 6590032, 8237540, 10296925, 16475080, 20593850, 32950160, 41187700, 82375400, 164750800]

約数ペア:

[(1, 164750800), (2, 82375400), (4, 41187700), (5, 32950160), (8, 20593850), (10, 16475080), (16, 10296925), (20, 8237540), (25, 6590032), (40, 4118770), (50, 3295016), (80, 2059385), (100, 1647508), (200, 823754), (400, 411877), (419, 393200), (838, 196600), (983, 167600), (1676, 98300), (1966, 83800), (2095, 78640), (3352, 49150), (3932, 41900), (4190, 39320), (4915, 33520), (6704, 24575), (7864, 20950), (8380, 19660), (9830, 16760), (10475, 15728)]