81330456560

素因数分解:

$2^4\times 5^1\times {\mathrm{16741}}^1\times {\mathrm{60727}}^1$

素因数の和:77481

約数の個数: 40

約数和(自身を含む): 189107720736

約数和(自身を除く): 107777264176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16741, 33482, 60727, 66964, 83705, 121454, 133928, 167410, 242908, 267856, 303635, 334820, 485816, 607270, 669640, 971632, 1214540, 1339280, 2429080, 4858160, 1016630707, 2033261414, 4066522828, 5083153535, 8133045656, 10166307070, 16266091312, 20332614140, 40665228280, 81330456560]

約数ペア:

[(1, 81330456560), (2, 40665228280), (4, 20332614140), (5, 16266091312), (8, 10166307070), (10, 8133045656), (16, 5083153535), (20, 4066522828), (40, 2033261414), (80, 1016630707), (16741, 4858160), (33482, 2429080), (60727, 1339280), (66964, 1214540), (83705, 971632), (121454, 669640), (133928, 607270), (167410, 485816), (242908, 334820), (267856, 303635)]