25452800

素因数分解:

$2^8\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 65201556

約数和(自身を除く): 39748756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 97, 100, 128, 160, 164, 194, 200, 205, 256, 320, 328, 388, 400, 410, 485, 640, 656, 776, 800, 820, 970, 1025, 1280, 1312, 1552, 1600, 1640, 1940, 2050, 2425, 2624, 3104, 3200, 3280, 3880, 3977, 4100, 4850, 5248, 6208, 6400, 6560, 7760, 7954, 8200, 9700, 10496, 12416, 13120, 15520, 15908, 16400, 19400, 19885, 24832, 26240, 31040, 31816, 32800, 38800, 39770, 52480, 62080, 63632, 65600, 77600, 79540, 99425, 124160, 127264, 131200, 155200, 159080, 198850, 254528, 262400, 310400, 318160, 397700, 509056, 620800, 636320, 795400, 1018112, 1272640, 1590800, 2545280, 3181600, 5090560, 6363200, 12726400, 25452800]

約数ペア:

[(1, 25452800), (2, 12726400), (4, 6363200), (5, 5090560), (8, 3181600), (10, 2545280), (16, 1590800), (20, 1272640), (25, 1018112), (32, 795400), (40, 636320), (41, 620800), (50, 509056), (64, 397700), (80, 318160), (82, 310400), (97, 262400), (100, 254528), (128, 198850), (160, 159080), (164, 155200), (194, 131200), (200, 127264), (205, 124160), (256, 99425), (320, 79540), (328, 77600), (388, 65600), (400, 63632), (410, 62080), (485, 52480), (640, 39770), (656, 38800), (776, 32800), (800, 31816), (820, 31040), (970, 26240), (1025, 24832), (1280, 19885), (1312, 19400), (1552, 16400), (1600, 15908), (1640, 15520), (1940, 13120), (2050, 12416), (2425, 10496), (2624, 9700), (3104, 8200), (3200, 7954), (3280, 7760), (3880, 6560), (3977, 6400), (4100, 6208), (4850, 5248)]