98128820

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{4951}}^1$

素因数の和:5951

約数の個数: 24

約数和(自身を含む): 206320128

約数和(自身を除く): 108191308

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4951, 4955, 9902, 9910, 19804, 19820, 24755, 49510, 99020, 4906441, 9812882, 19625764, 24532205, 49064410, 98128820]

約数ペア:

[(1, 98128820), (2, 49064410), (4, 24532205), (5, 19625764), (10, 9812882), (20, 4906441), (991, 99020), (1982, 49510), (3964, 24755), (4951, 19820), (4955, 19804), (9902, 9910)]