1300026160

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{67993}}^1$

素因数の和:68245

約数の個数: 40

約数和(自身を含む): 3035252160

約数和(自身を除く): 1735226000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 67993, 135986, 271972, 339965, 543944, 679930, 1087888, 1359860, 2719720, 5439440, 16250327, 32500654, 65001308, 81251635, 130002616, 162503270, 260005232, 325006540, 650013080, 1300026160]

約数ペア:

[(1, 1300026160), (2, 650013080), (4, 325006540), (5, 260005232), (8, 162503270), (10, 130002616), (16, 81251635), (20, 65001308), (40, 32500654), (80, 16250327), (239, 5439440), (478, 2719720), (956, 1359860), (1195, 1087888), (1912, 679930), (2390, 543944), (3824, 339965), (4780, 271972), (9560, 135986), (19120, 67993)]