25390120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90679}}^1$

素因数の和:90697

約数の個数: 32

約数和(自身を含む): 65289600

約数和(自身を除く): 39899480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90679, 181358, 362716, 453395, 634753, 725432, 906790, 1269506, 1813580, 2539012, 3173765, 3627160, 5078024, 6347530, 12695060, 25390120]

約数ペア:

[(1, 25390120), (2, 12695060), (4, 6347530), (5, 5078024), (7, 3627160), (8, 3173765), (10, 2539012), (14, 1813580), (20, 1269506), (28, 906790), (35, 725432), (40, 634753), (56, 453395), (70, 362716), (140, 181358), (280, 90679)]