25853165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 9074035

約数列:

[1, 5, 13, 41, 65, 89, 109, 205, 445, 533, 545, 1157, 1417, 2665, 3649, 4469, 5785, 7085, 9701, 18245, 22345, 47437, 48505, 58097, 126113, 237185, 290485, 397741, 630565, 1988705, 5170633, 25853165]

約数ペア:

[(1, 25853165), (5, 5170633), (13, 1988705), (41, 630565), (65, 397741), (89, 290485), (109, 237185), (205, 126113), (445, 58097), (533, 48505), (545, 47437), (1157, 22345), (1417, 18245), (2665, 9701), (3649, 7085), (4469, 5785)]