2580651848

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{128981}}^1$

素因数の和:129089

約数の個数: 32

約数和(自身を含む): 5038036920

約数和(自身を除く): 2457385072

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 2501, 5002, 10004, 20008, 128981, 257962, 515924, 1031848, 5288221, 7867841, 10576442, 15735682, 21152884, 31471364, 42305768, 62942728, 322581481, 645162962, 1290325924, 2580651848]

約数ペア:

[(1, 2580651848), (2, 1290325924), (4, 645162962), (8, 322581481), (41, 62942728), (61, 42305768), (82, 31471364), (122, 21152884), (164, 15735682), (244, 10576442), (328, 7867841), (488, 5288221), (2501, 1031848), (5002, 515924), (10004, 257962), (20008, 128981)]