25315400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 66156480

約数和(自身を除く): 40841080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 55, 74, 88, 100, 110, 148, 185, 200, 220, 275, 296, 311, 370, 407, 440, 550, 622, 740, 814, 925, 1100, 1244, 1480, 1555, 1628, 1850, 2035, 2200, 2488, 3110, 3256, 3421, 3700, 4070, 6220, 6842, 7400, 7775, 8140, 10175, 11507, 12440, 13684, 15550, 16280, 17105, 20350, 23014, 27368, 31100, 34210, 40700, 46028, 57535, 62200, 68420, 81400, 85525, 92056, 115070, 126577, 136840, 171050, 230140, 253154, 287675, 342100, 460280, 506308, 575350, 632885, 684200, 1012616, 1150700, 1265770, 2301400, 2531540, 3164425, 5063080, 6328850, 12657700, 25315400]

約数ペア:

[(1, 25315400), (2, 12657700), (4, 6328850), (5, 5063080), (8, 3164425), (10, 2531540), (11, 2301400), (20, 1265770), (22, 1150700), (25, 1012616), (37, 684200), (40, 632885), (44, 575350), (50, 506308), (55, 460280), (74, 342100), (88, 287675), (100, 253154), (110, 230140), (148, 171050), (185, 136840), (200, 126577), (220, 115070), (275, 92056), (296, 85525), (311, 81400), (370, 68420), (407, 62200), (440, 57535), (550, 46028), (622, 40700), (740, 34210), (814, 31100), (925, 27368), (1100, 23014), (1244, 20350), (1480, 17105), (1555, 16280), (1628, 15550), (1850, 13684), (2035, 12440), (2200, 11507), (2488, 10175), (3110, 8140), (3256, 7775), (3421, 7400), (3700, 6842), (4070, 6220)]