25838820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20507}}^1$

素因数の和:20529

約数の個数: 72

約数和(自身を含む): 89578944

約数和(自身を除く): 63740124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20507, 41014, 61521, 82028, 102535, 123042, 143549, 184563, 205070, 246084, 287098, 307605, 369126, 410140, 430647, 574196, 615210, 717745, 738252, 861294, 922815, 1230420, 1291941, 1435490, 1722588, 1845630, 2153235, 2583882, 2870980, 3691260, 4306470, 5167764, 6459705, 8612940, 12919410, 25838820]

約数ペア:

[(1, 25838820), (2, 12919410), (3, 8612940), (4, 6459705), (5, 5167764), (6, 4306470), (7, 3691260), (9, 2870980), (10, 2583882), (12, 2153235), (14, 1845630), (15, 1722588), (18, 1435490), (20, 1291941), (21, 1230420), (28, 922815), (30, 861294), (35, 738252), (36, 717745), (42, 615210), (45, 574196), (60, 430647), (63, 410140), (70, 369126), (84, 307605), (90, 287098), (105, 246084), (126, 205070), (140, 184563), (180, 143549), (210, 123042), (252, 102535), (315, 82028), (420, 61521), (630, 41014), (1260, 20507)]