28116760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100417}}^1$

素因数の和:100435

約数の個数: 32

約数和(自身を含む): 72300960

約数和(自身を除く): 44184200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100417, 200834, 401668, 502085, 702919, 803336, 1004170, 1405838, 2008340, 2811676, 3514595, 4016680, 5623352, 7029190, 14058380, 28116760]

約数ペア:

[(1, 28116760), (2, 14058380), (4, 7029190), (5, 5623352), (7, 4016680), (8, 3514595), (10, 2811676), (14, 2008340), (20, 1405838), (28, 1004170), (35, 803336), (40, 702919), (56, 502085), (70, 401668), (140, 200834), (280, 100417)]