28901960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13633}}^1$

素因数の和:13697

約数の個数: 32

約数和(自身を含む): 66261240

約数和(自身を除く): 37359280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13633, 27266, 54532, 68165, 109064, 136330, 272660, 545320, 722549, 1445098, 2890196, 3612745, 5780392, 7225490, 14450980, 28901960]

約数ペア:

[(1, 28901960), (2, 14450980), (4, 7225490), (5, 5780392), (8, 3612745), (10, 2890196), (20, 1445098), (40, 722549), (53, 545320), (106, 272660), (212, 136330), (265, 109064), (424, 68165), (530, 54532), (1060, 27266), (2120, 13633)]