13018889240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{176791}}^1$

素因数の和:177072

約数の個数: 64

約数和(自身を含む): 33604623360

約数和(自身を除く): 20585734120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 3682, 5260, 7364, 9205, 10520, 14728, 18410, 36820, 73640, 176791, 353582, 707164, 883955, 1237537, 1414328, 1767910, 2475074, 3535820, 4950148, 6187685, 7071640, 9900296, 12375370, 24750740, 46496033, 49501480, 92992066, 185984132, 232480165, 325472231, 371968264, 464960330, 650944462, 929920660, 1301888924, 1627361155, 1859841320, 2603777848, 3254722310, 6509444620, 13018889240]

約数ペア:

[(1, 13018889240), (2, 6509444620), (4, 3254722310), (5, 2603777848), (7, 1859841320), (8, 1627361155), (10, 1301888924), (14, 929920660), (20, 650944462), (28, 464960330), (35, 371968264), (40, 325472231), (56, 232480165), (70, 185984132), (140, 92992066), (263, 49501480), (280, 46496033), (526, 24750740), (1052, 12375370), (1315, 9900296), (1841, 7071640), (2104, 6187685), (2630, 4950148), (3682, 3535820), (5260, 2475074), (7364, 1767910), (9205, 1414328), (10520, 1237537), (14728, 883955), (18410, 707164), (36820, 353582), (73640, 176791)]