25985635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 36106560

約数和(自身を除く): 10120925

約数列:

[1, 5, 13, 19, 53, 65, 95, 247, 265, 397, 689, 1007, 1235, 1985, 3445, 5035, 5161, 7543, 13091, 21041, 25805, 37715, 65455, 98059, 105205, 273533, 399779, 490295, 1367665, 1998895, 5197127, 25985635]

約数ペア:

[(1, 25985635), (5, 5197127), (13, 1998895), (19, 1367665), (53, 490295), (65, 399779), (95, 273533), (247, 105205), (265, 98059), (397, 65455), (689, 37715), (1007, 25805), (1235, 21041), (1985, 13091), (3445, 7543), (5035, 5161)]