80784272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6907}}^1$

素因数の和:6975

約数の個数: 40

約数和(自身を含む): 169605216

約数和(自身を除く): 88820944

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 6907, 11696, 13814, 27628, 55256, 110512, 117419, 234838, 297001, 469676, 594002, 939352, 1188004, 1878704, 2376008, 4752016, 5049017, 10098034, 20196068, 40392136, 80784272]

約数ペア:

[(1, 80784272), (2, 40392136), (4, 20196068), (8, 10098034), (16, 5049017), (17, 4752016), (34, 2376008), (43, 1878704), (68, 1188004), (86, 939352), (136, 594002), (172, 469676), (272, 297001), (344, 234838), (688, 117419), (731, 110512), (1462, 55256), (2924, 27628), (5848, 13814), (6907, 11696)]