1420981055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1\times {\mathrm{1249}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 1920240000

約数和(自身を除く): 499258945

約数列:

[1, 5, 13, 23, 65, 115, 299, 761, 1249, 1495, 3805, 6245, 9893, 16237, 17503, 28727, 49465, 81185, 87515, 143635, 227539, 373451, 950489, 1137695, 1867255, 4752445, 12356357, 21861247, 61781785, 109306235, 284196211, 1420981055]

約数ペア:

[(1, 1420981055), (5, 284196211), (13, 109306235), (23, 61781785), (65, 21861247), (115, 12356357), (299, 4752445), (761, 1867255), (1249, 1137695), (1495, 950489), (3805, 373451), (6245, 227539), (9893, 143635), (16237, 87515), (17503, 81185), (28727, 49465)]