25481390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21059}}^1$

素因数の和:21088

約数の個数: 24

約数和(自身を含む): 50417640

約数和(自身を除く): 24936250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 21059, 42118, 105295, 210590, 231649, 463298, 1158245, 2316490, 2548139, 5096278, 12740695, 25481390]

約数ペア:

[(1, 25481390), (2, 12740695), (5, 5096278), (10, 2548139), (11, 2316490), (22, 1158245), (55, 463298), (110, 231649), (121, 210590), (242, 105295), (605, 42118), (1210, 21059)]