80742928

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42407}}^1$

素因数の和:42439

約数の個数: 40

約数和(自身を含む): 189309312

約数和(自身を除く): 108566384

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 42407, 84814, 169628, 296849, 339256, 593698, 678512, 720919, 1187396, 1441838, 2374792, 2883676, 4749584, 5046433, 5767352, 10092866, 11534704, 20185732, 40371464, 80742928]

約数ペア:

[(1, 80742928), (2, 40371464), (4, 20185732), (7, 11534704), (8, 10092866), (14, 5767352), (16, 5046433), (17, 4749584), (28, 2883676), (34, 2374792), (56, 1441838), (68, 1187396), (112, 720919), (119, 678512), (136, 593698), (238, 339256), (272, 296849), (476, 169628), (952, 84814), (1904, 42407)]