13007540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 34253352

約数和(自身を除く): 21245812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1021, 1274, 1820, 2042, 2548, 3185, 4084, 5105, 6370, 7147, 10210, 12740, 13273, 14294, 20420, 26546, 28588, 35735, 50029, 53092, 66365, 71470, 92911, 100058, 132730, 142940, 185822, 200116, 250145, 265460, 371644, 464555, 500290, 650377, 929110, 1000580, 1300754, 1858220, 2601508, 3251885, 6503770, 13007540]

約数ペア:

[(1, 13007540), (2, 6503770), (4, 3251885), (5, 2601508), (7, 1858220), (10, 1300754), (13, 1000580), (14, 929110), (20, 650377), (26, 500290), (28, 464555), (35, 371644), (49, 265460), (52, 250145), (65, 200116), (70, 185822), (91, 142940), (98, 132730), (130, 100058), (140, 92911), (182, 71470), (196, 66365), (245, 53092), (260, 50029), (364, 35735), (455, 28588), (490, 26546), (637, 20420), (910, 14294), (980, 13273), (1021, 12740), (1274, 10210), (1820, 7147), (2042, 6370), (2548, 5105), (3185, 4084)]