12726400

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 32536980

約数和(自身を除く): 19810580

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, 320, 328, 388, 400, 410, 485, 640, 656, 776, 800, 820, 970, 1025, 1312, 1552, 1600, 1640, 1940, 2050, 2425, 2624, 3104, 3200, 3280, 3880, 3977, 4100, 4850, 5248, 6208, 6560, 7760, 7954, 8200, 9700, 12416, 13120, 15520, 15908, 16400, 19400, 19885, 26240, 31040, 31816, 32800, 38800, 39770, 62080, 63632, 65600, 77600, 79540, 99425, 127264, 131200, 155200, 159080, 198850, 254528, 310400, 318160, 397700, 509056, 636320, 795400, 1272640, 1590800, 2545280, 3181600, 6363200, 12726400]

約数ペア:

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