72843440

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1741}}^1$

素因数の和:2277

約数の個数: 40

約数和(自身を含む): 169782288

約数和(自身を除く): 96938848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1741, 2092, 2615, 3482, 4184, 5230, 6964, 8368, 8705, 10460, 13928, 17410, 20920, 27856, 34820, 41840, 69640, 139280, 910543, 1821086, 3642172, 4552715, 7284344, 9105430, 14568688, 18210860, 36421720, 72843440]

約数ペア:

[(1, 72843440), (2, 36421720), (4, 18210860), (5, 14568688), (8, 9105430), (10, 7284344), (16, 4552715), (20, 3642172), (40, 1821086), (80, 910543), (523, 139280), (1046, 69640), (1741, 41840), (2092, 34820), (2615, 27856), (3482, 20920), (4184, 17410), (5230, 13928), (6964, 10460), (8368, 8705)]