25590520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12071}}^1$

素因数の和:12135

約数の個数: 32

約数和(自身を含む): 58669920

約数和(自身を除く): 33079400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12071, 24142, 48284, 60355, 96568, 120710, 241420, 482840, 639763, 1279526, 2559052, 3198815, 5118104, 6397630, 12795260, 25590520]

約数ペア:

[(1, 25590520), (2, 12795260), (4, 6397630), (5, 5118104), (8, 3198815), (10, 2559052), (20, 1279526), (40, 639763), (53, 482840), (106, 241420), (212, 120710), (265, 96568), (424, 60355), (530, 48284), (1060, 24142), (2120, 12071)]