28648480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25579}}^1$

素因数の和:25601

約数の個数: 48

約数和(自身を含む): 77353920

約数和(自身を除く): 48705440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25579, 51158, 102316, 127895, 179053, 204632, 255790, 358106, 409264, 511580, 716212, 818528, 895265, 1023160, 1432424, 1790530, 2046320, 2864848, 3581060, 4092640, 5729696, 7162120, 14324240, 28648480]

約数ペア:

[(1, 28648480), (2, 14324240), (4, 7162120), (5, 5729696), (7, 4092640), (8, 3581060), (10, 2864848), (14, 2046320), (16, 1790530), (20, 1432424), (28, 1023160), (32, 895265), (35, 818528), (40, 716212), (56, 511580), (70, 409264), (80, 358106), (112, 255790), (140, 204632), (160, 179053), (224, 127895), (280, 102316), (560, 51158), (1120, 25579)]